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(exact); seed_strict_interlacing: the Bezout test fails or the degrees do not differ by one (exact); degree_step_positive: fails at n = 3: lambda_n = (0)/(n - 1) = 0 there (exact); multipliers_vanish_at_zero: [x^0] c_2(n, x) = n - 2 is not the zero polynomial","route":"liu_wang_derivative_lag","success":false,"variant":"liu_wang_derivative_lag"},{"detail":"not applicable: the rule is not f(n) P_n = c_0(n, x) P_(n-1) + gamma(n) (x - L)(x - U) P'_(n-1)","route":"ma_wang_interval","success":false,"variant":"ma_wang_interval"},{"detail":"the parent equals the flagged entry, but the flag gives real-rootedness only and one-signed coefficients are not shown: the leader is not positive for every n >= 3","route":"attestation","success":false,"variant":"oeis_catalog:A089627:lean_proved"},{"detail":"no lean_proved catalog entry equals the parent; 2 with the same first index and seeds differ in the rule or in later initial rows (oeis_catalog:A052553:lean_proved, 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