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A174134
Nonnegative integers m such that m^2 = (a^2-1)*(b^2+1) for some integers a,b.
0
0, 4, 20, 24, 60, 116, 120, 136, 140, 260, 340, 360, 444, 676, 696, 700, 816, 1040, 1476, 2020, 2220, 2280, 2684, 3480, 3940, 4056, 4060, 4080, 4420, 4756, 5516, 6100, 6120, 6460, 6780, 8224, 8840, 8976, 9860, 11700, 13756, 16040, 18564, 21340, 22964
OFFSET
1,2
COMMENTS
m belongs to this sequence iff m^2 belongs to A174133.
All terms are multiples of 4.
CROSSREFS
Sequence in context: A065984 A039569 A298040 * A032425 A194045 A097251
KEYWORD
nonn
AUTHOR
Max Alekseyev, Apr 01 2010
STATUS
approved