OFFSET
1,3
COMMENTS
For a prime p, the p-th row has a length 2 with a(p, 1) = 1 and a(p, 2) = p.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10489 (rows 1..2000)
EXAMPLE
The first ten rows of the triangle are:
1,
1, 2,
1, 3,
1, 1, 3,
1, 5,
2,
1, 7,
1, 1, 7,
1, 2, 4,
1, 1, 4,
...
MATHEMATICA
row[n_] := ContinuedFraction[DivisorSigma[1, n]/n]; Table[row[k], {k, 1, 32}] // Flatten
PROG
(PARI) row(n) = contfrac(sigma(n)/n); \\ Michel Marcus, Nov 25 2021
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Amiram Eldar, Nov 25 2021
STATUS
approved