A240974 Numbers of the form x^y - x*y for x > 1 and y > 1.

0, 2, 3, 8, 15, 18, 22, 24, 35, 48, 52, 63, 69, 80, 99, 110, 114, 120, 143, 168, 195, 198, 224, 228, 240, 255, 288, 322, 323, 360, 399, 440, 483, 488, 494, 528, 575, 605, 624, 675, 702, 711, 728, 783, 840, 899, 960, 970, 1004, 1023, 1088, 1155, 1224, 1272, 1295, 1298, 1368, 1443

Offset

1,2

Comments

Primes of the form a(k)-1: 2, 7, 17, 23, 47, 79, 109, 167, 197, 223, 239, 359, 439, 487, 701, 727, 839, 1087, 1223, 1297, 1367, ...

Links

Table of n, a(n) for n=1..58.

Example

0 is in this sequence because 2^2 - 2*2 = 0 for x = 2 > 1 and y = 2 > 1.

Crossrefs

Sequence in context: A238778 A004731 A135354 * A356879 A293688 A285223

Adjacent sequences: A240971 A240972 A240973 * A240975 A240976 A240977

Keyword

nonn

Author

Juri-Stepan Gerasimov, Sep 13 2014

Status

approved