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A088781
A068164 indexed by A000040.
2
5, 1, 2, 13, 3, 18, 4, 23, 8, 26, 5, 31, 6, 35, 36, 38, 7, 42, 8, 197, 47, 48, 9, 53, 54, 56, 31, 60, 10, 63, 11, 216, 51, 69, 71, 73, 12, 76, 34, 79, 13, 82, 14, 86, 88, 89, 15, 93, 35, 96, 36, 98, 16, 100, 102, 103, 37, 107, 17, 110, 18, 257, 38, 116, 119, 121, 19, 124, 57, 126
OFFSET
1,1
FORMULA
a(n)=k such that A068164(n)=A000040(k).
CROSSREFS
Sequence in context: A274989 A328199 A289690 * A085608 A258339 A197080
KEYWORD
base,easy,nonn
AUTHOR
Ray Chandler, Oct 27 2003
STATUS
approved