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A090161
A023219 indexed by A000040.
3
3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 18, 22, 23, 25, 27, 28, 30, 31, 32, 33, 34, 35, 36, 38, 42, 44, 45, 47, 50, 51, 52, 55, 56, 58, 62, 65, 69, 72, 74, 75, 77, 79, 82, 83, 86, 87, 89, 91, 93, 96, 97, 99, 100, 101, 102, 104, 105, 108, 109, 110, 111, 117, 119, 120, 122, 123
OFFSET
1,1
FORMULA
a(n) = k such that A000040(k) = A023219(n).
a(n) = A000720(A023219(n)). - Michel Marcus, Aug 06 2021
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Ray Chandler, Nov 28 2003
EXTENSIONS
Offset changed to 1 by Jinyuan Wang, Aug 06 2021
STATUS
approved