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A018050
Powers of fourth root of 2 rounded up.
0
1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 23, 27, 32, 39, 46, 54, 64, 77, 91, 108, 128, 153, 182, 216, 256, 305, 363, 431, 512, 609, 725, 862, 1024, 1218, 1449, 1723, 2048, 2436, 2897, 3445, 4096, 4871
OFFSET
0,2
MATHEMATICA
Ceiling/@(Surd[2, 4]^Range[0, 50]) (* Harvey P. Dale, Mar 03 2020 *)
CROSSREFS
Sequence in context: A255405 A239508 A112210 * A194316 A261796 A200245
KEYWORD
nonn
AUTHOR
STATUS
approved