A304532 - OEIS

A304532

Inverse of A304531.

1, 2, 4, 6, 11, 3, 42, 20, 8, 12, 237, 5, 1798, 43, 14, 96, 7192, 9, 69611, 16, 45, 238, 431203, 21, 32, 1799, 25, 47, 2401568, 13

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OFFSET

1,2

COMMENTS

This is the left inverse of A304531, and also the right inverse if A304531 indeed is a permutation of natural numbers.

LINKS

FORMULA

For all n >= 1, a(A304531(n)) = n.

PROG

(PARI) \\ Use the program given in A304531.

CROSSREFS

Cf. A304531 (inverse).

Cf. also A303752.

KEYWORD

nonn,hard,more

AUTHOR

STATUS

approved