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A189218
Triangle read by rows of the index of the least n-gonal number A189216(n,k).
1
2, 6, 2, 12, 81, 2, 2, 25, 143, 2, 5, 6, 42, 221, 2, 3, 9, 8, 63, 315, 2, 10, 2, 14, 10, 88, 425, 2, 2, 0, 56, 20, 12, 117, 551, 2, 0, 7, 13, 0, 27, 14, 150, 693, 2, 5, 4, 2, 11, 61, 35, 16, 187, 851, 2, 3, 3, 4, 28, 11, 43, 44, 18, 228, 1025, 2, 15, 9, 0, 99, 1989, 609, 117, 54, 20, 273, 1215, 2
OFFSET
3,1
COMMENTS
The n-th term of the n-th row is 2. The first and second columns are A188894 and A188898.
EXAMPLE
The triangle begins:
2
6, 2
12, 81, 2
2, 25, 143, 2
5, 6, 42, 221, 2
3, 9, 8, 63, 315, 2
10, 2, 14, 10, 88, 425, 2
2, 0, 56, 20, 12, 117, 551, 2
0, 7, 13, 0, 27, 14, 150, 693, 2
CROSSREFS
Sequence in context: A356016 A336852 A079462 * A122663 A100892 A351839
KEYWORD
nonn,tabl
AUTHOR
T. D. Noe, Apr 18 2011
STATUS
approved