A259098 Row sums of A146565.

1, 2, 3, 6, 12, 26, 52, 104, 208, 416, 832, 1664, 3328, 6656, 13312, 26624, 53248, 106496, 212992, 425984, 851968, 1703936, 3407872, 6815744, 13631488, 27262976, 54525952, 109051904, 218103808, 436207616, 872415232, 1744830464, 3489660928, 6979321856, 13958643712

Offset

0,2

Links

Table of n, a(n) for n=0..34.

Index entries for linear recurrences with constant coefficients, signature (2).

Formula

a(n) = 13*2^(n-4) for n >= 5. - Jinyuan Wang, Jul 25 2025

Prog

(PARI) a(n) = if(n<5, [1, 2, 3, 6, 12][n+1], 13*2^(n-4)); \\ Jinyuan Wang, Jul 25 2025

Crossrefs

Cf. A146565.

Sequence in context: A052523 A262430 A204855 * A367386 A166296 A151527

Adjacent sequences: A259095 A259096 A259097 * A259099 A259100 A259101

Keyword

nonn,easy

Author

N. J. A. Sloane, Jun 22 2015

Extensions

Definition corrected by Georg Fischer, Mar 27 2020

More terms from Jinyuan Wang, Jul 25 2025

Status

approved