A147294 Eigentriangle, row sums = A125275.
1, 1, 1, 2, 3, 2, 5, 9, 10, 7, 14, 28, 40, 49, 31, 42, 90, 150, 245, 279, 162, 132, 297, 550, 1078, 1674, 1782, 968, 429, 1001, 2002, 4459, 8463, 12474, 12584, 6481, 1430, 3432, 7280, 17836, 39060, 71280, 100672, 97215, 47893
Offset: 1
Examples
First few rows of the triangle = 1; 1, 1; 2, 3, 2; 5, 9, 10, 7; 14, 28, 40, 49, 31; 42, 90, 150, 245, 279, 162; 132, 297, 550, 1078, 1674, 1782, 968; 429, 1001, 2002, 4459, 8463, 12474, 12584, 6481; 1430, 3432, 7280, 17836, 39060, 71280, 100672, 97215, 47893; ... Row 4 = (5, 9, 10, 7) = termwise products of (5, 9, 5, 1) and (1, 1, 2, 7)
Comments