login
A360307
Inverse of sequence A163252 considered as a permutation of the nonnegative integers.
2
0, 1, 3, 2, 5, 6, 4, 7, 11, 10, 12, 9, 14, 15, 13, 8, 19, 18, 20, 21, 24, 17, 23, 22, 26, 27, 29, 28, 25, 16, 30, 31, 37, 36, 38, 35, 40, 41, 39, 34, 44, 43, 45, 46, 99, 42, 100, 33, 50, 49, 51, 48, 53, 54, 52, 55, 103, 104, 102, 47, 106, 105, 101, 32, 61, 60
OFFSET
0,3
COMMENTS
Fixed points of this sequence (and of A163252) are: 0, 1, 7, 30, 31, 35, 49, 55, 127, 150, 184, 226, 240, 241, 247, 320, 480 ... .
LINKS
FORMULA
a(A163252(n)) = n = A163252(a(n)).
EXAMPLE
a(8) = 11 because A163252(11) = 8.
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 02 2023
STATUS
approved