A065643 Smallest integer value > 1 of the form floor((3/2)^k)/floor((3/2)^n).

2, 19, 19, 5, 211, 5165, 2228, 133, 443, 443, 433936, 433936, 108917231519162597338417004866966084630, 108917231519162597338417004866966084630

Offset

1,1

Comments

a(3) = 19 because floor((3/2)^10)/floor((3/2)^3) = 19 is the smallest integer value > 1 of the form floor((3/2)^k)/floor((3/2)^3). [corrected by Michel Marcus, Jun 15 2018]

Next term is too large to include in the Data section.

Links

Harry J. Smith, Table of n, a(n) for n = 1..19

Prog

(PARI) { for (n=1, 19, p=0; while ((a=floor((3/2)^p)/floor((3/2)^n)) < 2 || frac(a) > 0, p++); write("b065643.txt", n, " ", a) ) } \\ Harry J. Smith, Oct 25 2009

Crossrefs

Cf. A002379.

Sequence in context: A176618 A356477 A153653 * A038031 A229264 A132129

Adjacent sequences: A065640 A065641 A065642 * A065644 A065645 A065646

Keyword

nonn

Author

Benoit Cloitre, Dec 03 2001

Status

approved