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Search: id:A122795
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| A122795 |
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Connell (5,3)-sum sequence (partial sums of the (5,3)-Connell sequence) |
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+0
8
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| 1, 3, 10, 22, 39, 57, 80, 108, 141, 179, 222, 270, 319, 373, 432, 496, 565, 639, 718, 802, 891, 985, 1080, 1180, 1285, 1395, 1510, 1630, 1755, 1885, 2020, 2160, 2305, 2455, 2610, 2766, 2927, 3093, 3264, 3440, 3621, 3807, 3998, 4194, 4395, 4601, 4812, 5028, 5249, 5475, 5706, 5938, 6175, 6417, 6664, 6916, 7173, 7435, 7702, 7974, 8251, 8533, 8820, 9112, 9409, 9711, 10018, 10330, 10647, 10969
(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 A122798).
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CROSSREFS
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Cf. A045929, A001614, A045928, A045930.
Cf. A122793, A122794, A122796, A122797, A122798, A122799, A122800.
Adjacent sequences: A122792 A122793 A122794 this_sequence A122796 A122797 A122798
Sequence in context: A120109 A068082 A058077 this_sequence A140066 A006503 A023554
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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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