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      1;\n  1:          16,           24,             6;\n  2:         256,          768,           768,            288,             36;\n  3:        4096,        18432,         32256,          27648,          12096,            2592,             216;\n  4:       65536,       393216,        983040,        1327104,        1050624,          497664,          138240,           20736,            1296;\n  5:     1048576,      7864320,      25559040,       47185920,       54558720,        41140224,        20459520,         6635520,         1347840,          155520,           7776;\n  6:    16777216,    150994944,     603979776,     1415577600,     2158755840,      2250768384,      1642070016,       844038144,       303575040,        74649600,       11943936,        1119744,         46656;\n  7:   268435456,   2818572288,   13388218368,    38050725888,    72137834496,     96315899904,     93244096512,     66418900992,     34966536192,     13544423424,     3804143616,      752467968,      99283968,       7838208,       279936;\n  8:  4294967296,  51539607552,  283467841536,   947040288768,  2147752083456,   3500666781696,   4236314148864,   3878456131584,   2712982781952,   1454421049344,   595731677184,   184605474816,   42472636416,    7023034368,    788299776,    53747712,    1679616;\n  9: 68719476736, 927712935936, 5798205849600, 22265110462464, 58793807314944, 113238960242688, 164683541643264, 184730838368256, 161908556562432, 111653060345856, 60715708710912, 25977774145536, 8684483641344, 2239344672768, 436001439744, 61917364224, 6046617600, 362797056, 10077696;\n","recurrence_sentence":"The row polynomials satisfy P(n,x) = (16+24*x+6*x^2)*P(n-1,x) for n >= 1, with P(0,x) = 1.","mathematica":"P[0, x_] := 1;\nP[n_, x_] := P[n, x] = Expand[(16 + 24*x + 6*x^2)*P[n - 1, x]];\nTable[CoefficientList[P[n, x], x], {n, 0, 9}] // Flatten","pari":"P(N) = {my(v = vector(N + 1)); v[1] = 1; for(n = 1, N, my(i = n + 1); v[i] = (16 + 24*x + 6*x^2)*v[i - 1]); v};\nrow(n, p) = 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