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A330576
Inverse permutation to A330530.
2
1, 3, 6, 2, 8, 4, 10, 5, 12, 14, 20, 7, 22, 15, 24, 9, 26, 16, 28, 11, 30, 17, 32, 13, 34, 18, 36, 19, 38, 40, 52, 21, 54, 41, 56, 23, 58, 42, 60, 25, 62, 43, 64, 27, 66, 44, 68, 29, 70, 45, 72, 31, 74, 46, 76, 33, 78, 47, 80, 35, 82, 48, 84, 37, 86, 49, 88
OFFSET
1,2
EXAMPLE
A330530(2) = 4, hence a(4) = 2.
PROG
(PARI) See Links section.
CROSSREFS
Cf. A330530.
Sequence in context: A356080 A135598 A244619 * A099506 A205001 A154204
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Dec 18 2019
STATUS
approved