A107486 One-sixth the smallest semiperimeter common to exactly n Pythagorean triangles.

1, 5, 10, 20, 35, 60, 60, 110, 70, 220, 140, 280, 210, 385, 660, 630, 420, 840, 1430, 910, 770, 3360, 2100, 2380, 1820, 1540, 5040, 3465, 3850, 3080, 2730, 2310, 6545, 5005, 10780, 11220, 9660, 7140, 5460, 6930

Offset

1,2

Links

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

Formula

a(n)=A099830(n)/12.

Crossrefs

Sequence in context: A236391 A026357 A117518 * A210677 A193839 A323831

Adjacent sequences: A107483 A107484 A107485 * A107487 A107488 A107489

Keyword

nonn

Author

Lekraj Beedassy, May 28 2005

Status

approved