A375963 - OEIS

A375963

a(n) is the greatest value in the n-th triangle of A375873.

1, 1, 1, 2, 1, 3, 6, 4, 10, 20, 5, 35, 70, 28, 126, 252, 42, 462, 924, 264, 1716, 3432, 715, 6435, 12870, 2860, 24310, 48620, 12376, 92378, 184756, 33592, 352716, 705432, 58786, 1352078, 2704156, 416024, 5200300, 10400600, 742900, 20058300, 40116600, 5348880

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..1500

Rémy Sigrist, PARI program

FORMULA

Empirically:

- a(3*n) = A000984(n),

- a(3*n) = 2*a(3*n-1) for any n > 0.

EXAMPLE

The third triangle of A375873 is: