A009303 If a, b in sequence, so is ab+4.

2, 8, 20, 44, 68, 92, 140, 164, 188, 284, 332, 356, 380, 404, 548, 572, 668, 716, 740, 764, 812, 884, 1100, 1124, 1148, 1316, 1340, 1364, 1436, 1484, 1508, 1532, 1628, 1772, 1844, 1940, 2204, 2252, 2276, 2300, 2636, 2660, 2684, 2732, 2804, 2852, 2876, 2972

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Crossrefs

Sequence in context: A220908 A057566 A333642 * A096586 A165751 A131128

Adjacent sequences: A009300 A009301 A009302 * A009304 A009305 A009306

Keyword

nonn

Author

David W. Wilson

Status

approved