A273530 Numbers n such that n is the sum of two nonzero squares in exactly one way, n+1 is the sum of a positive square and a positive cube in exactly one way and n+2 is the sum of 2 positive cubes in exactly one way.

349, 853, 12634, 42937, 51741, 59912, 97677, 169748, 195137, 199528, 231892, 269728, 337768, 343636, 392272, 403037, 599561, 920456, 1458538, 1521873, 1645873, 1894121, 2337928, 2388697, 3131728, 3159673, 3186349, 3731769, 3835024, 3890248, 4037794

Offset

1,1

Links

Table of n, a(n) for n=1..31.

Example

349 is a term because 349 = 5^2 + 18^2, 350 = 15^2 + 5^3, 351 = 2^3 + 7^3.

Crossrefs

Cf. A003325, A025284, A078360.

Sequence in context: A181987 A054824 A031420 * A282341 A285463 A138944

Adjacent sequences: A273527 A273528 A273529 * A273531 A273532 A273533

Keyword

nonn

Author

Altug Alkan, May 24 2016

Status

approved