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Search: id:A085442
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| A085442 |
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a(n) = Sum_(i=1..n) C(i+1,2)^7. |
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+0
23
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| 1, 2188, 282124, 10282124, 181141499, 1982230040, 15475158552, 93839322648, 467508775773, 1989944010148, 7445104711204, 25010673566116, 76686775501847, 217396817767472, 575714897767472, 1436257466526768, 3398894618986905
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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A. F. Labossiere, New Artefact From Pascal's Triangle.
A. F. Labossiere, Miscellaneous.
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FORMULA
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a(n) = 1/823680*n*(n+1)*(n+2)*(429*n^12+5148*n^11+24123*n^10+52470*n^9+43047*n^8-8856*n^7+4109*n^6+50430*n^5-18796*n^4-44472*n^3+26864*n^2+8352*n-5568). - Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 07 2003
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CROSSREFS
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Cf. A000292, A087127, A024166, A024166, A085438, A085439, A085440, A085441, A000332, A086020, A086021, A086022, A000389, A086023, A086024, A000579, A086025, A086026, A000580, A086027, A086028, A027555, A086029, A086030.
Sequence in context: A079231 A017563 A081865 this_sequence A134158 A109408 A017535
Adjacent sequences: A085439 A085440 A085441 this_sequence A085443 A085444 A085445
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KEYWORD
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easy,nonn
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AUTHOR
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Andre F. Labossiere (boronali(AT)laposte.net), Jul 07 2003
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