A305703 Positive even integers that are not the perimeter of any Heronian triangle.

2, 4, 6, 8, 10, 14, 20, 22, 26, 28, 34, 38, 46, 52, 58, 62, 74, 82, 86, 92, 94, 102, 106, 116, 118, 122, 124, 134, 138, 142, 146, 148, 158, 166, 178, 184, 188, 194, 202, 206, 212, 214, 218, 226, 244, 246, 254, 262, 274, 278, 282, 284, 298, 302, 314, 316

Offset

1,1

Comments

Equivalently, this sequence is all positive even numbers that are not in A051518.

Contains all even semiprimes (A100484).

Links

Peter Kagey, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A051518, A100484.

Sequence in context: A080431 A288732 A122642 * A177867 A338738 A345986

Adjacent sequences: A305700 A305701 A305702 * A305704 A305705 A305706

Keyword

nonn

Author

Peter Kagey, Jun 08 2018

Status

approved