A024513 a(n) = position of n^2 + (n+1)^2 in A004431 (sums of 2 distinct nonzero squares).

1, 3, 6, 12, 18, 25, 34, 42, 55, 66, 80, 94, 110, 127, 144, 162, 183, 204, 224, 248, 272, 296, 322, 348, 378, 407, 434, 469, 500, 533, 565, 601, 636, 674, 712, 752, 792, 832, 873, 918, 960, 1007, 1051, 1094, 1144, 1191, 1240, 1290, 1342, 1395, 1448, 1504

Offset

1,2

Links

Table of n, a(n) for n=1..52.

Crossrefs

Sequence in context: A154907 A273015 A242297 * A181026 A180005 A116958

Adjacent sequences: A024510 A024511 A024512 * A024514 A024515 A024516

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Ralf Stephan, Mar 26 2003

Status

approved