A121261 Beginning with a(1)=0, a(n) repeated not equal to the product of earlier terms (not distinct).

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

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