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A022443 Sequence and first differences include all positive integers except 2. +0
3
1, 4, 9, 15, 22, 30, 40, 51, 63, 76, 90, 106, 123, 141, 160, 180, 201, 224, 248, 273, 299, 326, 354, 383, 414, 446, 479, 513, 548, 584, 621, 659, 698, 739, 781, 824, 868, 913, 959, 1006, 1054, 1103, 1153, 1205, 1258, 1312, 1367, 1423, 1480, 1538, 1597, 1657, 1718 (list; graph; listen)
OFFSET

1,2

COMMENT

a(n) = a(n-1) + c(n) for n >= 2, a( ) increasing, given a(1)=1; where c( ) is complement of a( ). - Clark Kimberling (ck6(AT)evansville.edu)

LINKS

G. S. Kazandzidis, A General Formula for Some Number-Sequences., Math. Annalen, 147 (1962), 367-372.

CROSSREFS

Sequence in context: A134227 A055999 A022945 this_sequence A079423 A004629 A065893

Adjacent sequences: A022440 A022441 A022442 this_sequence A022444 A022445 A022446

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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