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Search: id:A002311
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| A002311 |
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n-th tetrahedral number is the sum of 2 tetrahedral numbers.
(Formerly M3498 N1419)
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+0
5
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| 4, 15, 55, 58, 74, 109, 110, 119, 140, 175, 245, 294, 418, 435, 452, 474, 492, 528, 535, 550, 562, 588, 644, 688, 702, 714, 740, 747, 753, 818, 868, 908, 918, 1098
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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Aviezri S. Fraenkel, Diophantine equations involving generalized triangular and tetrahedral numbers, pp. 99-114 of A. O. L. Atkin and B. J. Birch, editors, Computers in Number Theory. Academic Press, NY, 1971.
H. Finner and K. Strassburger, Increasing sample sizes do not necessarily increase the power of UMPU-tests for 2 X 2-tables. Metrika, 54, 77-91, (2001).
M. Wunderlich, Certain properties of pyramidal and figurate numbers, Math. Comp., 16 (1962), 482-486.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..463
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CROSSREFS
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Cf. A000292.
Sequence in context: A094821 A071723 A001559 this_sequence A126932 A094833 A039717
Adjacent sequences: A002308 A002309 A002310 this_sequence A002312 A002313 A002314
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KEYWORD
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nonn,easy,nice
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AUTHOR
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njas
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