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Search: id:A135332
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| A135332 |
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a(1)=1, a(n)=a(n-1)+n^0 if n odd, a(n)=a(n-1)+ n^3 if n is even. |
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2
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| 1, 9, 10, 74, 75, 291, 292, 804, 805, 1805, 1806, 3534, 3535, 6279, 6280, 10376, 10377, 16209, 16210, 24210, 24211, 34859, 34860, 48684, 48685, 66261, 66262, 88214, 88215, 115215, 115216, 147984, 147985, 187289, 187290, 233946, 233947, 288819
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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a = {}; r = 0; s = 3; Do[k = 0; Do[k = k + (Sin[Pi m/2]^2) m^r + (Cos[Pi m/2]^2) m^s, {m, 1, n}]; AppendTo[a, k], {n, 1, 100}]; a (*Artur Jasinski*)
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CROSSREFS
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Cf. A000027, A000217, A000330, A000537, A000538, A000539, A136047, A140113.
Adjacent sequences: A135329 A135330 A135331 this_sequence A135333 A135334 A135335
Sequence in context: A037954 A041174 A048070 this_sequence A098325 A101242 A033046
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KEYWORD
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nonn
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AUTHOR
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Jasinski Artur (grafix(AT)csl.pl), May 12 2008
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