A309585 Numbers k with 4 zeros in a fundamental period of A000129 mod k.

5, 13, 25, 29, 37, 53, 61, 65, 101, 109, 125, 137, 145, 149, 157, 169, 173, 181, 185, 197, 229, 265, 269, 277, 293, 305, 317, 325, 349, 373, 377, 389, 397, 421, 461, 481, 505, 509, 521, 541, 545, 557, 569, 593, 613, 625, 653, 661, 677, 685, 689, 701, 709

Offset

1,1

Comments

Numbers k such that A214027(k) = 4.

Also numbers k such that A214028(k) is odd.

Links

Jianing Song, Table of n, a(n) for n = 1..1000

Prog

(PARI) for(k=1, 700, if(A214027(k)==4, print1(k, ", ")))

Crossrefs

Cf. A214028.

For a list of sequences related to the numbers of zeros in a fundamental period of {x(n)}, where {x(n)} is a sequence defined by x(0) = 0, x(1) = 1, x(n+2) = m*x(n+1) + x(n), see A053032.

Sequence in context: A156679 A344813 A190618 * A004627 A066782 A094553

Adjacent sequences: A309582 A309583 A309584 * A309586 A309587 A309588

Keyword

nonn

Author

Jianing Song, Aug 10 2019

Status

approved