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A189217
Triangle read by rows of the index of the least k-gonal number A189216(n,k).
1
2, 8, 2, 20, 99, 2, 3, 35, 165, 2, 10, 9, 54, 247, 2, 6, 15, 11, 77, 345, 2, 25, 3, 21, 13, 104, 459, 2, 4, 0, 91, 28, 15, 135, 589, 2, 0, 14, 22, 0, 36, 17, 170, 735, 2, 14, 8, 3, 17, 86, 45, 19, 209, 897, 2, 8, 6, 7, 46, 16, 58, 55, 21, 252, 1075, 2, 50, 21, 0, 171, 3081, 861, 153, 66, 23, 299, 1269, 2
OFFSET
3,1
COMMENTS
The n-th term of the n-th row is 2. The first and second columns are A188893 and A188897.
EXAMPLE
The triangle begins:
2,
8, 2
20, 99, 2
3, 35, 165, 2
10, 9, 54, 247, 2
6, 15, 11, 77, 345, 2
25, 3, 21, 13, 104, 459, 2
4, 0, 91, 28, 15, 135, 589, 2
0, 14, 22, 0, 36, 17, 170, 735, 2
CROSSREFS
Sequence in context: A074723 A286455 A175183 * A183037 A063077 A245995
KEYWORD
nonn,tabl
AUTHOR
T. D. Noe, Apr 18 2011
STATUS
approved