A091152 Second column of triangle A091150, in which the n-th row lists the coefficients of the polynomial of degree n that generates the n-th diagonal.

1, 3, 9, 29, 103, 405, 1757, 8355, 43229, 241677, 1451103, 9309961, 63550785, 459867819, 3516536269, 28337741649, 240056534347, 2133028001257, 19839848253937, 192812840531511, 1954556549898449, 20634173429269633

Offset

0,2

Links

Table of n, a(n) for n=0..21.

Formula

a(n) = sum_{k=0..n} A091150(n, k)*2^k.

Example

a(3)=29=(1)+(4)2+(3)2^2+(1)2^3 since 3rd row of A091150 is {1,4,3,1}.

Crossrefs

Cf. A091150, A091151, A091153.

Sequence in context: A148944 A293070 A060719 * A148945 A177255 A136628

Adjacent sequences: A091149 A091150 A091151 * A091153 A091154 A091155

Keyword

nonn

Author

Paul D. Hanna, Dec 22 2003

Status

approved