A018065 Powers of fourth root of 7 rounded up.
1, 2, 3, 5, 7, 12, 19, 31, 49, 80, 130, 211, 343, 558, 908, 1477, 2401, 3906, 6353, 10333, 16807, 27338, 44468, 72330, 117649, 191366, 311270, 506305, 823543, 1339556, 2178890, 3544132, 5764801, 9376891
Offset: 0
Keywords
Crossrefs
Cf. A054540.