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Search: id:A022905
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A022905 a(n) = M(n) + m(n) for n >= 2, where M(n) = max{ a(i) + a(n-i): i = 1..n-1 }, m(n) = min{ a(i) + a(n-i): i = 1..n-1 }. +0
4
1, 4, 10, 19, 34, 55, 85, 124, 178, 247, 337, 448, 589, 760, 970, 1219, 1522, 1879, 2305, 2800, 3385, 4060, 4846, 5743, 6781, 7960, 9310, 10831, 12562, 14503, 16693, 19132, 21874, 24919, 28321, 32080, 36265, 40876, 45982, 51583, 57769 (list; graph; listen)
OFFSET

1,2

LINKS

J. M. Dover, On two OEIS conjectures

FORMULA

n + sum(k=2, n, A022907(n)).

CROSSREFS

Cf. A022907, A022908.

Sequence in context: A019452 A009890 A015616 this_sequence A155368 A155389 A155316

Adjacent sequences: A022902 A022903 A022904 this_sequence A022906 A022907 A022908

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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