A155106 For each term n in this sequence, both n and n+1 can expressed as sum of three distinct nonzero squares in 2 or more ways

89, 125, 149, 154, 165, 173, 181, 185, 194, 209, 217, 221, 229, 233, 237, 241, 245, 248, 249, 250, 269, 273, 274, 275, 281, 285, 293, 296, 301, 305, 308, 309, 314, 317, 321, 325, 329, 333, 338, 341, 344, 345, 346, 349, 353, 354, 355, 356, 360, 361, 365, 369, 370, 373, 376, 377, 381, 385, 389, 392

Offset

1,1

Links

Table of n, a(n) for n=1..60.

Example

Considering the term 149, 149 = 1^2+2^2+12^2 = 2^2+8^2+9^2 = 6^2+7^2+8^2 and 150 = 1^2+7^2+10^2 = 2^2+5^2+11^2

Crossrefs

Subset of A024804, any A024804(n) is contained in this sequence if A024804(n)+1=A024804(n+1)

Sequence in context: A083371 A124583 A257843 * A132258 A257860 A256242

Adjacent sequences: A155103 A155104 A155105 * A155107 A155108 A155109

Keyword

nonn

Author

Avik Roy (avik_3.1416(AT)yahoo.co.in), Jan 20 2009

Extensions

Description clarified by Harvey P. Dale, Dec. 13, 2010

Status

approved