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A086541
a(1) = 1, a(2) = 4; a(n) = smallest square of the form k*a(n-1) + a(n-2).
+0
2
1, 4, 9, 49, 2116, 1104601, 1220041748025, 73506264463383837985201, 152589000107917580345020742323132226398704361, 16697690042926481335094757278121739739304599165141249657182619309750788555320629\ 50740889
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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