A144156 - OEIS

A144156

Eigentriangle, row sums = A006318

1, 1, 1, 3, 1, 2, 11, 3, 2, 6, 45, 11, 6, 6, 22, 197, 45, 22, 18, 22, 90, 903, 197, 90, 66, 66, 90, 394, 4279, 903, 394, 270, 242, 270, 394, 1806, 20793, 4279, 1806, 1182, 990, 990, 1182, 1806, 8558, 103049, 20793, 8558, 5418, 4334, 4050, 4334, 5418, 8558

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

OFFSET

0,4

COMMENTS

Row sums = A006318. Left border = A001003.

Sum of n-th row terms = rightmost term of next row.

LINKS

Table of n, a(n) for n=0..53.

FORMULA

Triangle read by rows, T(n,k) = A001003(n-k)*A006318(k-1) with A006318(-1)=1. (corrected by R. J. Mathar, Jul 19 2016)

EXAMPLE

First few rows of the triangle =