OFFSET
0,2
LINKS
T. D. Noe, Rows for n = 0..100
EXAMPLE
The triangle has rows beginning with 2^k and ending with 6^k:
1
2, 3, 6
4, 9, 12, 18, 36
8, 24, 27, 54, 72, 108, 216
16, 48, 81, 144, 162, 324, 432, 648, 1296
MATHEMATICA
Join[{{1}}, Table[Complement[Divisors[6^n], Divisors[6^(n-1)]], {n, 9}]]
DeleteDuplicates[Flatten[Divisors[6^Range[0, 10]]]] (* Harvey P. Dale, Sep 12 2024 *)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
T. D. Noe, Aug 25 2011
STATUS
approved