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URL: https://oeis.org/A023648

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A023648
Self-convolution of composite numbers.
0
16, 48, 100, 168, 252, 360, 497, 660, 848, 1068, 1326, 1620, 1948, 2316, 2723, 3172, 3660, 4186, 4762, 5394, 6076, 6806, 7585, 8416, 9308, 10256, 11260, 12328, 13467, 14674, 15946, 17290, 18705, 20194, 21754, 23382, 25092, 26886
OFFSET
1,1
CROSSREFS
Sequence in context: A134605 A035008 A189972 * A098322 A175164 A331772
KEYWORD
nonn
STATUS
approved