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A121229 Beginning with a(1) = 1 and a(2) = 2, a(n) is not equal to the product of two consecutive (distinct) earlier terms. 2
1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..72.

CROSSREFS

Sequence in context: A267304 A002855 A175233 * A286291 A286926 A145198

Adjacent sequences:  A121226 A121227 A121228 * A121230 A121231 A121232

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto, Aug 21 2006

STATUS

approved

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Last modified May 23 12:45 EDT 2017. Contains 286915 sequences.