A347321 A146212(2*n).

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.

Links

Table of n, a(n) for n=2..20.

Crossrefs

Cf. A146212, A347319.

Sequence in context: A201119 A263783 A023289 * A006468 A144954 A305861

Adjacent sequences: A347318 A347319 A347320 * A347322 A347323 A347324

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 12 2021

Status

approved