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 A332990 Inverse of permutation in A332977. 2
 1, 2, 3, 4, 5, 6, 9, 7, 8, 10, 17, 11, 33, 18, 12, 13, 65, 14, 129, 19, 20, 34, 257, 21, 15, 66, 16, 35, 513, 22, 1025, 23, 36, 130, 24, 25, 2049, 258, 67, 37, 4097, 38, 8193, 68, 26, 514, 16385, 39, 27, 28, 131, 132, 32769, 29, 40, 69, 259, 1026, 65537, 41 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Permutation of the natural numbers A000027 with fixed points 1, 2, 3, 4, 5, 6, 10, ... and inverse permutation A332977 (with offset 1). LINKS Alois P. Heinz, Table of n, a(n) for n = 1..20000 Index entries for sequences that are permutations of the natural numbers FORMULA a(p) = 1 + 2^(pi(p)-1) = A094373(A000720(p)) for prime p. CROSSREFS Cf. A000027, A000040, A000720 (pi), A094373, A332977. Sequence in context: A368240 A275583 A295088 * A257815 A141655 A174349 Adjacent sequences: A332987 A332988 A332989 * A332991 A332992 A332993 KEYWORD nonn AUTHOR Alois P. Heinz, Mar 05 2020 STATUS approved

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Last modified September 8 19:56 EDT 2024. Contains 375759 sequences. (Running on oeis4.)