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Search: id:A154281
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A154281 1,0,0,1 followed by 0,0,0... +0
2
1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)
OFFSET

1,1

COMMENT

Dirichlet inverse of this sequence is A154282.

FORMULA

a(n)={C[(n-2)^2,n] mod 2}, with n>=1 [From Paolo P. Lava (ppl(AT)spl.at), Jan 22 2009]

CROSSREFS

Cf. A154272, A154271, A154269.

Sequence in context: A120532 A004555 A138711 this_sequence A154282 A014702 A015395

Adjacent sequences: A154278 A154279 A154280 this_sequence A154282 A154283 A154284

KEYWORD

nonn

AUTHOR

Mats Granvik (mats.granvik(AT)abo.fi), Jan 06 2009

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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