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A204920
a(n) = p(n)^2 - q(n)^2, where (p(n)^2, q(n)^2) is the least pair of squared primes for which n divides p(n)^2 - q(n)^2.
1
5, 16, 21, 16, 5, 24, 21, 16, 45, 40, 165, 24, 117, 112, 45, 16, 357, 72, 285, 40, 21, 264, 552, 24, 525, 312, 837, 112, 957, 120, 837, 96, 165, 408, 280, 72, 888, 912, 117, 40, 1845, 168, 1677, 264, 45, 552, 1128, 96, 2205, 600, 357, 312, 1272, 432
OFFSET
1,1
COMMENTS
For a guide to related sequences, see A204892.
MATHEMATICA
(See the program at A204908.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 20 2012
STATUS
approved