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A375113
Inverse permutation to A375112.
2
1, 3, 2, 6, 4, 10, 5, 14, 8, 7, 15, 11, 21, 9, 20, 12, 27, 13, 34, 18, 16, 28, 17, 35, 23, 22, 36, 29, 45, 19, 43, 24, 44, 30, 54, 25, 53, 31, 64, 26, 63, 32, 75, 33, 87, 41, 37, 55, 38, 65, 39, 76, 40, 88, 49, 46, 66, 47, 77, 48, 89, 58, 56, 78, 57, 90, 68
OFFSET
1,2
EXAMPLE
A375112(42) = 72, so a(72) = 42.
PROG
(PARI) \\ See Links section.
CROSSREFS
Cf. A375112.
Sequence in context: A202838 A105354 A094077 * A260220 A249742 A246276
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Jul 30 2024
STATUS
approved