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A091143
Number of Pythagorean triples mod 2^n; i.e. number of solutions to x^2 + y^2 = z^2 mod 2^n.
+0
2
1, 4, 24, 96, 448, 1792, 7680, 30720, 126976, 507904, 2064384, 8257536, 33292288, 133169152, 534773760, 2139095040, 8573157376, 34292629504, 137304735744, 549218942976, 2197949513728, 8791798054912
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.
AT&T Labs Research
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