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A090610
A090609 indexed by A000040.
5
5, 7, 13, 26, 30, 60, 66, 71, 79, 113, 123, 135, 160, 227, 255, 265, 288, 338, 342, 353, 392, 408, 484, 514, 517, 538, 660, 666, 719, 736, 771, 852, 869, 973, 1034, 1081, 1111, 1133, 1251, 1269, 1309, 1362, 1396, 1448, 1456, 1477, 1482, 1592, 1656, 1702, 1756
OFFSET
1,1
FORMULA
a(n)=k such that A000040(k)=A090609(n).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Ray Chandler, Dec 06 2003
EXTENSIONS
Offset changed to 1 by Jinyuan Wang, Aug 03 2021
STATUS
approved