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A355066
Inverse permutation to A355065.
2
1, 2, 3, 5, 4, 7, 11, 13, 17, 19, 6, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, 8, 9, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 77, 137, 139, 149, 151, 157, 163, 167, 10, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239
OFFSET
1,2
COMMENTS
This sequence has similarities with the Two-Up sequence (A090252) as a(n) is coprime to the next n terms (and to the floor(n/2) previous terms).
Prime numbers appear in their natural order.
EXAMPLE
A355065(77) = 39, so a(39) = 77.
PROG
(PARI) See Links section.
CROSSREFS
Sequence in context: A329821 A353266 A259153 * A028691 A246353 A194009
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Jun 17 2022
STATUS
approved