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A071883 A002487(n)*A002487(n+2). 2
0, 2, 1, 6, 2, 9, 2, 12, 3, 20, 6, 25, 6, 20, 3, 20, 4, 35, 12, 56, 15, 56, 10, 49, 10, 56, 15, 56, 12, 35, 4, 30, 5, 54, 20, 99, 28, 110, 21, 110, 24, 143, 40, 156, 35, 108, 14, 81, 14, 108, 35, 156, 40, 143, 24, 110, 21, 110, 28, 99, 20 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A338025 A239537 A076891 * A368241 A099304 A064680
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 10 2002
STATUS
approved

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Last modified March 28 14:33 EDT 2024. Contains 371254 sequences. (Running on oeis4.)