A020638 Least inverse of A001390, or 0 if no inverse exists.

2, 7, 11, 5, 89, 73, 31, 0, 43, 601, 3343, 109, 2383, 997, 1021, 0, 577, 2441, 3673, 11149, 5737, 3373, 6793, 721051, 1093, 37507, 0, 52189, 15361, 58237, 10513, 0, 49369, 24373, 2593, 103813, 5233, 73141, 11551, 970201, 17881, 573871, 113329, 729301

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Crossrefs

Sequence in context: A133154 A100020 A241807 * A091385 A053247 A226089

Adjacent sequences: A020635 A020636 A020637 * A020639 A020640 A020641

Keyword

nonn

Author

David W. Wilson

Status

approved