login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A018134
Powers of fifth root of 7 rounded up.
1
1, 2, 3, 4, 5, 7, 11, 16, 23, 34, 49, 73, 107, 158, 233, 343, 507, 748, 1103, 1627, 2401, 3544, 5230, 7718, 11389, 16807, 24804, 36605, 54020, 79721, 117649, 173624, 256229, 378136, 558042, 823543
OFFSET
0,2
LINKS
MAPLE
seq(ceil(7^(n/5)), n=0..100); # Robert Israel, Aug 17 2018
MATHEMATICA
Ceiling[Surd[7, 5]^Range[0, 40]] (* Harvey P. Dale, Jun 28 2020 *)
PROG
(PARI) a(n) = ceil(7^(n/5)); \\ Michel Marcus, Aug 17 2018
CROSSREFS
Sequence in context: A108318 A358876 A006456 * A245823 A143284 A343305
KEYWORD
nonn
AUTHOR
STATUS
approved