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Search: id:A133725
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OFFSET
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1,2
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FORMULA
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Mobius transform of the pentagonal numbers.
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EXAMPLE
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a(4) = 17 = (0, -1, 0, 1) dot (1, 5, 12, 22) = (0, -5, 0, 22).
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CROSSREFS
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Cf. A000326, A054525.
Sequence in context: A063237 A026381 A063556 this_sequence A050395 A059771 A043409
Adjacent sequences: A133722 A133723 A133724 this_sequence A133726 A133727 A133728
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 21 2007
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