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A091275
A090941 indexed by A000040.
0
2, 3, 3, 4, 6, 9, 9, 10, 10, 12, 14, 13, 13, 17, 17, 20, 28, 28, 27, 29, 28, 29, 31, 31, 32, 32, 34, 33, 33, 34, 34, 38, 38, 40, 40, 41, 41, 45, 47, 47, 58, 58, 60, 60, 59, 59, 73, 73, 74, 74, 76, 76, 83, 83, 84, 84, 88, 88, 90, 90, 88, 90, 89, 89, 94, 94, 97, 97, 102, 102, 103
OFFSET
1,1
FORMULA
a(n)=k such that A000040(k)=A090941(n).
CROSSREFS
Cf. A090941.
Sequence in context: A017818 A228362 A155118 * A046936 A187067 A017831
KEYWORD
nonn
AUTHOR
Ray Chandler, Dec 31 2003
STATUS
approved