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A173050 Triangle, read by rows, given by [0,1,1,1,1,1,1,1,...] DELTA [1,0,1,0,2,0,3,0,4,0,5,0,6,0,...] where DELTA is the operator defined in A084938. 0
1, 0, 1, 0, 1, 1, 0, 2, 3, 1, 0, 5, 10, 6, 1, 0, 14, 36, 31, 10, 1, 0, 42, 135, 156, 77, 15, 1, 0, 132, 518, 771, 534, 169, 21, 1, 0, 429, 2015, 3745, 3451, 1610, 345, 28, 1, 0, 1430, 7906, 17897, 21094, 13569, 4537, 676, 36, 1, 0, 4862, 31195, 84278, 123203, 103986 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,8
LINKS
FORMULA
Sum_{k=0..n} T(n,k) = A074664(n+1).
EXAMPLE
Triangle begins:
1
0, 1
0, 1, 1
0, 2, 3, 1
0, 5, 10, 6, 1
0, 14, 36, 31, 10, 1
...
CROSSREFS
Sequence in context: A344855 A081247 A298753 * A172380 A144633 A352366
KEYWORD
nonn,tabl
AUTHOR
Philippe Deléham, Feb 08 2010
EXTENSIONS
Corrected by Philippe Deléham, Feb 08 2010
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)