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Search: id:A092815
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| A092815 |
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Schmidt's problem sum for r = 5. |
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+0
3
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| 33, 15553, 27748833, 61371200001, 155741521320033, 487874692844719489, 1730097641006678817249, 6559621957318406477234689, 26511434186466256434467280033, 113203209912753307355868621335553
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Eric Weisstein's World of Mathematics, Schmidt's Problem
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FORMULA
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Sum[Binomial[n, k]^4 Binomial[n+k, k]^4, {k, 0, n}]
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CROSSREFS
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Cf. A001850, A005259, A092813, A092814.
Sequence in context: A060705 A061687 A116056 this_sequence A006274 A060767 A023928
Adjacent sequences: A092812 A092813 A092814 this_sequence A092816 A092817 A092818
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KEYWORD
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nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Mar 06, 2004
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