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Search: id:A144868
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A144868 Shadow transform of C(n+6,7) = A000580(n+6). +0
2
1, 1, 1, 3, 2, 4, 1, 4, 3, 3, 7, 6, 7, 1, 5, 4, 7, 5, 7, 6, 1, 12, 7, 10, 4, 12, 3, 1, 7, 9, 7, 4, 15, 12, 1, 12, 7, 12, 16, 11, 7, 1, 7, 22, 10, 12, 7, 11, 1, 6, 16, 22, 7, 6, 16, 6, 16, 12, 7, 18, 7, 12, 4, 4, 20, 27, 7, 24, 16, 6, 7, 19, 7, 12, 9, 22, 4, 27, 7, 11, 3, 12, 7, 5, 17, 12, 15, 36, 7 (list; graph; listen)
OFFSET

1,4

LINKS

N. J. A. Sloane, Transforms

MAPLE

shadow:= proc(p) proc(n) local j; add (`if` (modp(p(j), n)=0, 1, 0), j=0..n-1) end end: f:= proc(k) proc(n) binomial (n+k-1, k) end end: a:= n-> shadow (f(7))(n): seq (a(n), n=1..100);

CROSSREFS

7th column of A144871. Cf. A007318.

Sequence in context: A123359 A121885 A122143 this_sequence A134029 A117623 A145690

Adjacent sequences: A144865 A144866 A144867 this_sequence A144869 A144870 A144871

KEYWORD

nonn

AUTHOR

Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 23 2008

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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