OFFSET
1,2
COMMENTS
The left column of the matrix powers A171608^n in the limit n->oo. (The other columns all become 0.)
FORMULA
Limit_{n->oo} (A171608)^n, a left-shifted vector considered as a sequence.
a(n+1) = a(n) * (1 + 1/A003602(n)). - Michael Somos, Dec 27 2022
EXAMPLE
The cube of A171608 starts
1 0 0 0 0 0 0 0 0 0
2 0 0 0 0 0 0 0 0 0
4 0 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0 0
12 0 0 0 0 0 0 0 0 0
16 0 0 0 0 0 0 0 0 0
24 0 0 0 0 0 0 0 0 0
30 0 0 0 0 0 0 0 0 0
0 30 0 0 0 0 0 0 0 0
0 36 0 0 0 0 0 0 0 0
... and the first 8 entries of the left column are already "converged." - R. J. Mathar, Sep 23 2021
PROG
(PARI) {a(n) = if(n < 2, n==0, (n\2 + 1)*a((n+1)\2))}; /* Michael Somos, Dec 27 2022 */
CROSSREFS
KEYWORD
nonn
AUTHOR
Gary W. Adamson, Dec 12 2009
EXTENSIONS
More terms from R. J. Mathar, Sep 23 2021
Name changed by Michael Somos, Dec 27 2022
STATUS
approved