A142462
identification: the entry's rule defines the sequence for every index; tail: the sequence is the entry's tail after some prefix rows; match_*: finite agreement only.
-
A142462: Triangle read by rows: T(n,k) (1<=k<=n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (m*n-m*k+1)*T(n-1,k-1) + (m*k-m+1)*T(n-1,k), where m = 7.
(identification, match reversed triangle, match triangle)
1 · 1, 1 · 1, 16, 1 · 1, 143, 143, 1 … row sums 1, 2, 18, 288, 6624, 198720, 7352640, …