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Search: id:A122796
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| A122796 |
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Connell (3,5)-sum sequence (partial sums of the (3,5)-Connell sequence) |
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+0
8
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| 1, 3, 8, 16, 27, 41, 58, 76, 97, 121, 148, 178, 211, 247, 286, 328, 373, 421, 470, 522, 577, 635, 696, 760, 827, 897, 970, 1046, 1125, 1207, 1292, 1380, 1471, 1565, 1660, 1758, 1859, 1963, 2070, 2180, 2293, 2409, 2528, 2650, 2775, 2903, 3034, 3168, 3305, 3445, 3588, 3734, 3883, 4035, 4190, 4346, 4505, 4667, 4832, 5000, 5171, 5345, 5522, 5702, 5885, 6071, 6260, 6452, 6647, 6845
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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Iannucci, D. and Mills-Taylor, D. On Generalizing the Connell Sequence. Journal of Integer Sequences v.2(1999) Article 99.1.7.
Bullington, G. D., The Connell Sum Sequence, J. Integer Seq. 10 (2007), Article 07.2.6. (includes direct formula for a(n))
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FORMULA
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a(n)=(nth triangular number)-n+(nth partial sum of A122799).
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CROSSREFS
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Cf. A045930, A001614, A045928, A045929.
Cf. A122793, A122794, A122795, A122797, A122798, A122799, A122800.
Sequence in context: A013583 A122794 A115006 this_sequence A104249 A025202 A131941
Adjacent sequences: A122793 A122794 A122795 this_sequence A122797 A122798 A122799
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KEYWORD
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nonn,easy
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AUTHOR
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Grady Bullington (bullingt(AT)uwosh.edu), Sep 14 2006
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