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A100746 Inverse modulo 2 modulo transform of Jacobsthal numbers J(n). 1
0, 1, 1, 1, 5, 5, 15, 15, 85, 85, 255, 255, 1275, 1275, 3825, 3825, 21845, 21845, 65535, 65535, 327675, 327675, 983025, 983025, 5570475, 5570475, 16711425, 16711425, 83557125, 83557125, 250671375, 250671375, 1431655765, 1431655765, 4294967295 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

J(n) may be retrieved as sum{k=0..n, mod(binomial(n,k),2)A100746(k)}.

LINKS

Table of n, a(n) for n=0..34.

FORMULA

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

CROSSREFS

Cf. A001045.

Sequence in context: A189976 A188272 A104551 * A185785 A185905 A050341

Adjacent sequences:  A100743 A100744 A100745 * A100747 A100748 A100749

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Dec 06 2004

STATUS

approved

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Last modified February 18 20:25 EST 2019. Contains 320262 sequences. (Running on oeis4.)