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A018106
Powers of fourth root of 21 rounded to nearest integer.
0
1, 2, 5, 10, 21, 45, 96, 206, 441, 944, 2021, 4326, 9261, 19825, 42439, 90849, 194481, 416325, 891224, 1907839, 4084101, 8742815, 18715702, 40064612, 85766121, 183599119, 393029742, 841356859, 1801088541
OFFSET
0,2
MATHEMATICA
Round[Surd[21, 4]^Range[0, 30]] (* Harvey P. Dale, Dec 19 2022 *)
CROSSREFS
Sequence in context: A131403 A264544 A052540 * A247594 A209469 A208275
KEYWORD
nonn
AUTHOR
STATUS
approved