login
A091274
A090940 indexed by A000040.
0
2, 4, 3, 6, 12, 21, 9, 20, 10, 29, 27, 8, 13, 62, 17, 54, 124, 28, 11, 48, 19, 36, 99, 31, 49, 32, 69, 23, 33, 45, 34, 155, 38, 96, 40, 77, 41, 150, 132, 47, 387, 58, 126, 60, 26, 59, 611, 73, 121, 74, 153, 76, 423, 83, 100, 84, 279, 88, 141, 90, 25, 145, 68, 89, 358, 94
OFFSET
1,1
FORMULA
a(n)=k such that A000040(k)=A090940(n).
CROSSREFS
Cf. A090940.
Sequence in context: A101278 A329902 A366028 * A330745 A122525 A054589
KEYWORD
nonn
AUTHOR
Ray Chandler, Dec 31 2003
STATUS
approved