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A071238
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n*(n+1)*(2*n^2+1)/6.
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1
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0, 1, 9, 38, 110, 255, 511, 924, 1548, 2445, 3685, 5346, 7514, 10283, 13755, 18040, 23256, 29529, 36993, 45790, 56070, 67991, 81719, 97428, 115300, 135525, 158301, 183834, 212338, 244035, 279155, 317936, 360624, 407473, 458745, 514710, 575646, 641839
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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REFERENCES
| T. A. Gulliver, Sequences from Arrays of Integers, Int. Math. Journal, Vol. 1, No. 4, pp. 323-332, 2002.
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..2000
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FORMULA
| Binomial transform of [1, 8, 21, 22, 8, 0, 0, 0,...] - Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 28 2007
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PROG
| (MAGMA) [n*(n+1)*(2*n^2+1)/6: n in [0..40]]; // Vincenzo Librandi, Jun 14 2011
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CROSSREFS
| Sequence in context: A117085 A120780 A071229 * A050854 A053181 A192608
Adjacent sequences: A071235 A071236 A071237 * A071239 A071240 A071241
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jun 12 2002
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