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Search: id:A144372
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| A144372 |
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Shifts 8 places left under Dirichlet convolution. |
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+0
2
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| 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 4, 2, 4, 3, 6, 4, 10, 4, 10, 6, 11, 6, 16, 8, 26, 10, 24, 12, 32, 13, 36, 18, 62, 20, 58, 24, 74, 30, 78, 38, 145, 40, 124, 52, 174, 60, 174, 76, 314, 86, 260, 104, 386, 121, 364, 158, 664, 172, 550, 212, 834, 250, 748, 316, 1410, 344, 1124
(list; graph; listen)
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OFFSET
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1,10
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LINKS
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N. J. A. Sloane, Transforms
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MAPLE
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k:= 8: with (numtheory): dck:= proc(b, c) proc(n, k) option remember; add (b(d, k) *c(n/d, k), d=`if`(n<0, {}, divisors(n))) end end: B:= dck(T, T): T:= (n, k)-> if n<=k then 1 else B(n-k, k) fi: a:= n-> T(n, k): seq (a(n), n=1..80);
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CROSSREFS
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8th column of A144374. Cf. A000005.
Sequence in context: A086292 A076640 A134681 this_sequence A049238 A001616 A144371
Adjacent sequences: A144369 A144370 A144371 this_sequence A144373 A144374 A144375
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KEYWORD
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eigen,nonn
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AUTHOR
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Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 18 2008
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