OFFSET
1,1
COMMENTS
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, PARI program for A306993
Rémy Sigrist, Colored scatterplot of the first 10000 terms (where the color is function of A000120(n*a(n)))
EXAMPLE
The first terms, alongside the binary representation of n * a(n), are:
n a(n) bin(n * a(n))
-- ---- --------------
1 2 10
2 1 10
3 3 1001
4 11 101100
5 7 100011
6 25 10010110
7 5 100011
8 23 10111000
9 15 10000111
10 17 10101010
11 4 101100
12 13 10011100
13 12 10011100
14 43 1001011010
15 9 10000111
16 47 1011110000
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
AUTHOR
Rémy Sigrist, Mar 18 2019
STATUS
approved