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Search: id:A053367
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| 1, 11, 63, 255, 825, 2277, 5577, 12441, 25740, 50050, 92378, 163098, 277134, 455430, 726750, 1129854, 1716099, 2552517, 3725425, 5344625, 7548255, 10508355, 14437215, 19594575
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OFFSET
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0,2
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REFERENCES
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A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.
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FORMULA
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a(n)=C(n+7, 7)*(3n+8)/8.
G.f.: (1+2*x)/(1-x)^9.
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CROSSREFS
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Cf. A050494.
Cf. A093560 ((3, 1) Pascal, column m=8).
Sequence in context: A052051 A162946 A120723 this_sequence A163706 A054333 A036601
Adjacent sequences: A053364 A053365 A053366 this_sequence A053368 A053369 A053370
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KEYWORD
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easy,nonn
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AUTHOR
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Barry E. Williams, Jan 06 2000
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