A018106 Powers of fourth root of 21 rounded to nearest integer.

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

Links

Table of n, a(n) for n=0..28.

Mathematica

Round[Surd[21, 4]^Range[0, 30]] (* Harvey P. Dale, Dec 19 2022 *)

Crossrefs

Sequence in context: A131403 A264544 A052540 * A247594 A209469 A208275

Adjacent sequences: A018103 A018104 A018105 * A018107 A018108 A018109

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved