A100739 Inverse modulo 2 binomial transform of 6^n.

1, 5, 35, 175, 1295, 6475, 45325, 226625, 1679615, 8398075, 58786525, 293932625, 2175101425, 10875507125, 76128549875, 380642749375, 2821109907455, 14105549537275, 98738846760925, 493694233804625, 3653337330154225

Offset

0,2

Comments

6^n may be retrieved as sum{k=0..n, mod(binomial(n,k),2)A100739(k)}.

Links

Table of n, a(n) for n=0..20.

Formula

a(n)=sum{k=0..n, (-1)^A010060(n-k)*mod(binomial(n, k), 2)6^k}.

Crossrefs

Sequence in context: A124793 A048515 A219973 * A329762 A359520 A376496

Adjacent sequences: A100736 A100737 A100738 * A100740 A100741 A100742

Keyword

easy,nonn

Author

Paul Barry, Dec 06 2004

Status

approved