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A048464
Indices of primefree generations.
0
9, 11, 17, 18, 21, 22, 23, 24, 29, 32, 33, 35, 36, 38, 39, 40, 48, 49, 50, 54, 56, 57, 58, 65, 66, 67, 69, 70, 72, 74, 76, 77, 78, 79, 81, 83, 85, 86, 88, 89, 91, 93, 95, 96, 97, 99, 100, 101, 106, 107, 108, 110, 111, 113, 114, 115, 121, 125, 126, 128, 129
OFFSET
1,1
CROSSREFS
For "Generations" see A048448-A048455. See also A047844.
Sequence in context: A329167 A216976 A236390 * A075824 A228951 A108113
KEYWORD
nonn
AUTHOR
Patrick De Geest, May 15 1999
EXTENSIONS
More terms from Sean A. Irvine, Jun 18 2021
STATUS
approved