A248407 Squarefree noncongruent numbers.

1, 2, 3, 10, 11, 17, 19, 26, 33, 35, 42, 43, 51, 57, 58, 59, 66, 67, 73, 74, 82, 83, 89, 91, 97, 105, 106, 107, 113, 114, 115, 122, 123, 129, 130, 131, 139, 146, 155, 163, 170, 177, 178, 179, 185, 186, 187, 193, 195, 201, 202, 203, 209

Offset

1,2

Links

Amiram Eldar, Table of n, a(n) for n = 1..2580 (terms below 10^4)

J. B. Tunnell, A classical Diophantine problem and modular forms of weight 3/2, Invent. Math., 72 (1983), 323-334.

Crossrefs

Intersection of A005117 and A165564.

Cf. A003273, A248394, A248395, A248397-A248406.

Sequence in context: A081706 A359251 A032804 * A047473 A270474 A008509

Adjacent sequences: A248404 A248405 A248406 * A248408 A248409 A248410

Keyword

nonn

Author

N. J. A. Sloane, Oct 20 2014

Status

approved