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Search: id:A066512
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A066512 Least nonnegative integer not the sum or product of any previous pair. a(1)=0. +0
1
0, 0, 1, 2, 4, 7, 10, 13, 16, 19, 22, 25, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 62, 65, 68, 71, 74, 77, 80, 83, 86, 89, 94, 97, 103, 106, 109, 115, 118, 121, 126, 129, 135, 138, 141, 147, 150, 153, 158, 161, 164, 167, 170, 173, 176, 179, 182, 185, 193, 196, 199 (list; graph; listen)
OFFSET

1,4

EXAMPLE

a(13)=30, which is not a(i)+a(j) or a(i)*a(j) for any distinct i,j < 13.

CROSSREFS

Cf. A026416, A033627.

Sequence in context: A102933 A122019 A033627 this_sequence A135678 A001195 A127762

Adjacent sequences: A066509 A066510 A066511 this_sequence A066513 A066514 A066515

KEYWORD

easy,nonn

AUTHOR

Brian L. Galebach (sequence(AT)ProbabilitySports.com), Jan 04 2002

page 1

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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