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A238091
A bisection of A136259.
2
1, 4, 9, 18, 31, 33, 39, 56, 58, 94, 96, 103, 156, 239, 245, 253, 255, 257, 275, 277, 420, 610, 788, 790, 792, 1070, 1665, 1667, 1669
OFFSET
1,2
FORMULA
a(n) = A136259(2*n-1). - Jinyuan Wang, Mar 04 2020
CROSSREFS
Sequence in context: A111384 A196039 A360043 * A301017 A008219 A008223
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 20 2014
STATUS
approved