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A347321
A146212(2*n).
1
5, 37, 145, 471, 901, 2185, 3969, 5563, 11141, 17293, 21913, 36479, 50485, 51661, 90753, 118355, 139861, 191445, 238481
OFFSET
2,1
COMMENTS
No formula is known.
CROSSREFS
Sequence in context: A201119 A263783 A023289 * A006468 A144954 A305861
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 12 2021
STATUS
approved