A155099 Third column of A155092.

1, 1, 2, 4, 7, 14, 27, 54, 106, 212, 420, 840, 1673, 3346, 6678, 13356, 26685, 53370, 106686, 213372, 426638, 853276, 1706340, 3412680, 6824940, 13649880, 27298920, 54597840, 109194007, 218388014, 436772682, 873545364, 1747084050, 3494168100, 6988322844, 13976645688

Offset

1,3

Links

Table of n, a(n) for n=1..36.

Crossrefs

Sequence in context: A167751 A190822 A107949 * A136322 A160113 A171231

Adjacent sequences: A155096 A155097 A155098 * A155100 A155101 A155102

Keyword

nonn

Author

Mats Granvik, Jan 20 2009

Extensions

More terms from Jinyuan Wang, Jan 19 2025

Status

approved