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A076676 Smallest a(n)>a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, a(1)=11. 0
11, 60, 63, 84, 112, 180, 189, 252, 275, 660, 693, 924, 1232, 1326, 1768, 1974, 2632, 4026, 5368, 6405, 8200, 8319, 11092, 11715, 15620, 16401, 19720, 20706, 20880, 20910, 24752, 24960, 25300, 26565, 29716, 29835, 33048, 35055, 41496, 42997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The sequence is infinite.

LINKS

Table of n, a(n) for n=1..40.

CROSSREFS

Cf. A076600.

Sequence in context: A193230 A077036 A076604 * A044149 A044530 A050483

Adjacent sequences:  A076673 A076674 A076675 * A076677 A076678 A076679

KEYWORD

nonn

AUTHOR

Zak Seidov, Oct 25 2002

STATUS

approved

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Last modified November 24 10:51 EST 2014. Contains 249895 sequences.