A252485 Least index k for which n occurs in A161885, or 0 if n never occurs.

144, 73, 12, 23, 14, 8, 15, 9, 7, 11, 6

Offset

4,1

Comments

Further nonzero values are a(18)=5, a(19)=4, a(26)=3, a(32)=2.

Links

Table of n, a(n) for n=4..14.

Crossrefs

Sequence in context: A030122 A057404 A173713 * A185589 A093159 A350453

Adjacent sequences: A252482 A252483 A252484 * A252486 A252487 A252488

Keyword

nonn,more,hard

Author

M. F. Hasler, Dec 17 2014

Status

approved