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A022907 The sequence m(n) in A022905. +0
4
0, 2, 5, 8, 14, 20, 29, 38, 53, 68, 89, 110, 140, 170, 209, 248, 302, 356, 425, 494, 584, 674, 785, 896, 1037, 1178, 1349, 1520, 1730, 1940, 2189, 2438, 2741, 3044, 3401, 3758, 4184, 4610, 5105, 5600, 6185, 6770, 7445, 8120, 8906, 9692, 10589 (list; graph; listen)
OFFSET

1,2

LINKS

J. M. Dover, On two OEIS conjectures

FORMULA

a(n) = 3 * A033485(n-1) - 1 = 3/2 * A000123(n-1) - 1, n>1. Proved by Jeremy Dover. - Ralf Stephan, Dec 08 2004

CROSSREFS

Sequence in context: A009203 A111711 A095348 this_sequence A006918 A165189 A011842

Adjacent sequences: A022904 A022905 A022906 this_sequence A022908 A022909 A022910

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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