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A121261 Beginning with a(1)=0, a(n) repeated not equal to the product of earlier terms (not distinct). 0
0, 0, 1, 1, 2, 2, 3, 3, 5, 5, 7, 7, 8, 8, 11, 11, 12, 12, 13, 13, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 23, 23, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 36, 36, 37, 37, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 47, 47, 48, 48, 50, 50, 52, 52, 53, 53, 59, 59, 61, 61, 63, 63 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..74.

CROSSREFS

Sequence in context: A035031 A035032 A121260 * A085885 A309685 A309683

Adjacent sequences:  A121258 A121259 A121260 * A121262 A121263 A121264

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto, Aug 23 2006

STATUS

approved

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Last modified April 6 11:51 EDT 2020. Contains 333273 sequences. (Running on oeis4.)