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A371215
Inverse permutation to A371214.
2
0, 1, 3, 5, 7, 9, 11, 2, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 12, 33, 35, 37, 4, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 6, 83, 32, 85, 87, 89, 91, 93, 95, 97, 38, 99, 101, 103, 105, 107, 109, 111, 113, 115
OFFSET
0,3
FORMULA
a(n) <= 2*n.
EXAMPLE
A371214(42) = 1824, so a(1824) = 42.
PROG
(PARI) See Links section.
CROSSREFS
Cf. A371214.
Sequence in context: A173909 A165249 A098160 * A103701 A206544 A122799
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Mar 15 2024
STATUS
approved