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A347320 A344857(2*n). 2
0, 4, 42, 176, 540, 1152, 2534, 4608, 6984, 12580, 19250, 26016, 39988, 55076, 63570, 97920, 127024, 155088, 203946, 253360, 289044, 378884, 456918 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
No formula is known.
LINKS
CROSSREFS
Sequence in context: A078288 A349455 A089551 * A220835 A157719 A280956
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 12 2021
STATUS
approved

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Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)