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A009303
If a, b in sequence, so is ab+4.
0
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
CROSSREFS
Sequence in context: A220908 A057566 A333642 * A096586 A131128 A165751
KEYWORD
nonn
STATUS
approved