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Search: id:A081899
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| A081899 |
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A sequence related to C(n+4,4). |
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+0
3
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| 1, 8, 54, 332, 1921, 10644, 57072, 298176, 1525248, 7665664, 37953536, 185499648, 896466944, 4289462272, 20343422976, 95718211584, 447146360832, 2075274510336, 9574555844608, 43933220470784, 200579267690496
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OFFSET
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0,2
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COMMENT
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Binomial transform of A081898. 3rd binomial transform of C(n+4,4), A000332. 4th binomial transform of (1,4,6,4,1,0,0,0,.....)
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FORMULA
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a(n)=4^n(n^4+58n^3+971n^2+5114n+6144)/6144 G.f.: (1-3x)^4/(1-4x)^5
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CROSSREFS
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Cf. A081900.
Sequence in context: A122657 A037966 A091433 this_sequence A057970 A002775 A079754
Adjacent sequences: A081896 A081897 A081898 this_sequence A081900 A081901 A081902
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KEYWORD
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easy,nonn
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Mar 30 2003
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