A052339 Values of n at which record values in A052340 are reached.

1, 4, 12, 13, 42, 43, 73, 658

Offset

1,2

Comments

A subsequence of A050412.

Links

Table of n, a(n) for n=1..8.

Crossrefs

Cf. A050412, A051914, A052333, A052334, A052340.

Sequence in context: A032498 A144613 A031330 * A310562 A358577 A123076

Adjacent sequences: A052336 A052337 A052338 * A052340 A052341 A052342

Keyword

nonn,hard

Author

Christian G. Bower, Dec 23 1999

Extensions

659*2^n-1 is composite for n<2^17.

One more term supplied by David Broadhurst, Jan 02 2000

Status

approved