A085494 Numbers n having exactly one partition into distinct divisors of n+1.

1, 3, 5, 7, 15, 17, 19, 27, 31, 53, 63, 65, 69, 77, 87, 99, 103, 127, 161, 195, 255, 271, 303, 367, 413, 463, 485, 495, 499, 511, 579, 649, 725, 819, 859, 867, 967, 1013, 1023, 1035, 1147, 1183, 1311, 1315, 1351, 1371, 1375, 1457, 1483, 1503, 1695, 1887, 1951

Offset

1,2

Comments

A085491(a(n)) = 1; subsequence of A085493.

Includes every 2^k-1 and is therefore infinite. - David W. Wilson, Feb 02 2006

Links

Table of n, a(n) for n=1..53.

Crossrefs

Cf. A085491, A085493, A085499.

Sequence in context: A073692 A132012 A160690 * A348441 A356591 A029460

Adjacent sequences: A085491 A085492 A085493 * A085495 A085496 A085497

Keyword

nonn

Author

Reinhard Zumkeller, Jul 03 2003

Extensions

More terms from David W. Wilson, Feb 02 2006

Status

approved