1,2

Row sums of triangle A134417. Binomial transform of A133632. Inverse binomial transform of A048875.

Inverse binomial transform of A048875: (l, 6, 25, 106, 449,...). - Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 23 2007

a(4) = 48 = sum of row 4 terms of triangle A134417: (1 + 12 + 15 + 20).

a(4) = 48 = (1, 3, 3, 1) dot (1, 4, 5, 20), given A133632 = (1, 4, 5, 20, 25, 100,...).

a(3) = 14 = (1, -2, 1) dot (1, 6, 25), = (1, -12, 25), where A048875 = (1, 6, 25, 106, 449, 1902,...).

Cf. A133632, A134417, A048875.

Cf. A048875.

Sequence in context: A098730 A081496 A075827 this_sequence A107242 A063835 A054664

Adjacent sequences: A134415 A134416 A134417 this_sequence A134419 A134420 A134421

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 24 2007