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A115598 A001653(n) - A046090(n). 0
1, 8, 50, 288, 1681, 9801, 57121, 332928 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

L. J. Gerstein, Pythagorean triples and inner products, Math. Mag., 78 (2005), 205-213.

CROSSREFS

Sequence in context: A081675 A081180 A052177 * A127745 A037547 A061801

Adjacent sequences:  A115595 A115596 A115597 * A115599 A115600 A115601

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 14 2006

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.