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A181116 Triangle T(n,k) read by rows. T(n,k) = A046643(A126988). 2
1, 1, 1, 1, 0, 1, 3, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 5, 3, 0, 1, 0, 0, 0, 1, 3, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 1, 3, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,7
COMMENTS
Numerator in fraction A181116/A181117. A051731=(A181116/A181117)*(A181116/A181117).
LINKS
Table of n, a(n) for n=1..105.
EXAMPLE
Triangle starts:
1,
1,1,
1,0,1,
3,1,0,1,
1,0,0,0,1,
1,1,1,0,0,1,
1,0,0,0,0,0,1,
5,3,0,1,0,0,0,1,
3,0,1,0,0,0,0,0,1,
1,1,0,0,1,0,0,0,0,1,
1,0,0,0,0,0,0,0,0,0,1,
3,1,3,1,0,1,0,0,0,0,0,1,
1,0,0,0,0,0,0,0,0,0,0,0,1,
1,1,0,0,0,0,1,0,0,0,0,0,0,1,
1,0,1,0,1,0,0,0,0,0,0,0,0,0,1,
CROSSREFS
Cf. A181117, A046643, A051731.
Sequence in context: A122960 A242887 A307753 * A051834 A121383 A194521
Adjacent sequences: A181113 A181114 A181115 * A181117 A181118 A181119
KEYWORD
nonn,tabl
AUTHOR
Mats Granvik, Oct 04 2010
STATUS
approved

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Last modified June 8 09:36 EDT 2024. Contains 373217 sequences. (Running on oeis4.)