A377442 - OEIS

A377442

Square array read by rising antidiagonals: T(n, k) = A377441(-n, k), an extension of A377441 into the domain of negative n.

1, 1, 1, 1, 1, 2, 1, 1, 2, 5, 1, 1, 2, 4, 14, 1, 1, 2, 3, 9, 42, 1, 1, 2, 2, 6, 22, 132, 1, 1, 2, 1, 5, 12, 57, 429, 1, 1, 2, 0, 6, 6, 26, 154, 1430, 1, 1, 2, -1, 9, -2, 15, 59, 429, 4862, 1, 1, 2, -2, 14, -18, 24, 24, 138, 1223, 16796, 1, 1, 2, -3, 21, -48, 77, -23, 53, 332, 3550, 58786, 1, 1, 2, -4, 30, -98, 222, -226, 102, 107, 814, 10455, 208012, 1, 1, 2

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OFFSET

0,6

COMMENTS

The main entry for this array is A377441.

LINKS

Table of n, a(n) for n=0..93.

EXAMPLE

The array begins:

[ 0] 1, 1, 2, 5, 14, 42, 132, 429, 1430, ... = A000108

[-1] 1, 1, 2, 4, 9, 22, 57, 154, 429, ... = A105633

[-2] 1, 1, 2, 3, 6, 12, 26, 59, 138, ... = A152172