A300856 Inverse of the base-7 based twisted permutation A300857 of the nonnegative integers.

0, 1, 2, 3, 4, 5, 6, 37, 36, 35, 34, 33, 32, 7, 38, 19, 20, 21, 22, 31, 8, 39, 18, 25, 24, 23, 30, 9, 40, 17, 26, 27, 28, 29, 10, 41, 16, 15, 14, 13, 12, 11, 42, 43, 44, 45, 46, 47, 48, 289, 288, 287, 286, 285, 284, 259, 108, 109, 110, 111, 112, 113, 258, 107, 126, 125

Offset

0,3

Links

Table of n, a(n) for n=0..65.

Example

A300857(37) = 7, therefore a(7) = 37.

Prog

(PARI) vecsort(A300857, , 1) \\ where A300857 is a vector of some N initial terms of that sequence without the leading a(0) = 0 and such that these N values contain exactly all integers from 1 to N, e.g., N = 300.

Crossrefs

Cf. A300857 (inverse); A300855 = inverse of Knuth's original base-5 analog A220952.

Sequence in context: A178579 A347308 A237343 * A173575 A024641 A250262

Adjacent sequences: A300853 A300854 A300855 * A300857 A300858 A300859

Keyword

nonn

Author

M. F. Hasler, Mar 13 2018

Status

approved