OFFSET
0,2
COMMENTS
The length of row k is A005917, the rhombic dodecahedral numbers, (k+1)^4 - k^4. The triangle has rows beginning with 2^k and ending with 210^k.
LINKS
T. D. Noe, Rows n = 0..9
MATHEMATICA
Join[{{1}}, Table[Complement[Divisors[210^n], Divisors[210^(n-1)]], {n, 9}]]
Take[DeleteDuplicates[Flatten[Divisors/@(210^Range[5])]], 100] (* Harvey P. Dale, Sep 03 2020 *)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
T. D. Noe, Aug 26 2011
STATUS
approved