A159931 Triangle read by rows: a(1,1) = 1. a(m,m) = product of the terms in row m-1. For n < m, a(m,n) = a(m-1,n) + (product of the terms in row m-1).

1, 2, 1, 4, 3, 2, 28, 27, 26, 24, 471772, 471771, 471770, 471768, 471744, 23368379007628963695121285852, 23368379007628963695121285851, 23368379007628963695121285850, 23368379007628963695121285848

Offset

1,2

Comments

The product of the terms in row m is A159932(m).

Links

Table of n, a(n) for n=1..19.

Crossrefs

Cf. A159932.

Sequence in context: A143122 A093067 A098122 * A159755 A215534 A368705

Adjacent sequences: A159928 A159929 A159930 * A159932 A159933 A159934

Keyword

nonn,tabl

Author

Leroy Quet, Apr 26 2009

Extensions

Extended by Ray Chandler, Jun 18 2009

Status

approved