A334998 Permutation of nonnegative integers that converts A162912 into A162911.

1, 3, 2, 7, 4, 5, 6, 11, 8, 13, 10, 15, 12, 9, 14, 19, 16, 29, 18, 23, 20, 17, 22, 27, 24, 21, 26, 31, 28, 25, 30, 35, 32, 45, 34, 39, 36, 33, 38, 43, 40, 53, 42, 47, 44, 41, 46, 51, 48, 61, 50, 55, 52, 49, 54, 59, 56, 37, 58, 63, 60, 57, 62

Offset

1,2

Comments

For n > 0, A162912(a(n)) = A162911(n), as well as A162912(A054429(n)) = A162911(n). There is a self-inverse permutation, b, such that a(b(n)) = A054429(n), and a(n) = A054429(b(n)).

Links

Yosu Yurramendi, Table of n, a(n) for n = 1..4095

Index entries for sequences that are permutations of the natural numbers

Prog

(R)
#
  nmax <- 31
A334998 <- 1; A334999 <- 1
for(n in 1:31) {
  A334998[2*n  ] <- 2*A334999[n]+1
  A334998[2*n+1] <- 2*n
  A334999[2*n  ] <- 2*n+1
  A334999[2*n+1] <- 2*A334998[n]
}
A334998; A334999

Crossrefs

Cf. A334999 (inverse), A054429, A162911, A162912.

Sequence in context: A166532 A135542 A130109 * A153151 A175057 A153154

Adjacent sequences: A334995 A334996 A334997 * A334999 A335000 A335001

Keyword

nonn

Author

Yosu Yurramendi, May 19 2020

Status

approved