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A257502
Inverse permutation to A078783.
2
0, 1, 4, 2, 7, 10, 3, 5, 13, 16, 19, 22, 25, 6, 8, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 9, 11, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97, 100, 103, 106, 109, 112, 115, 118, 12, 14, 121, 124, 127, 130, 133, 136, 139, 142, 145, 148, 151, 154
OFFSET
0,3
LINKS
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a257502 = fromJust . (`elemIndex` a078783_list)
CROSSREFS
Cf. A078783.
Sequence in context: A019689 A332651 A072009 * A201207 A151890 A356155
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 01 2015
STATUS
approved