A152831 Triangle read by rows, A007318 repeated five times .

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 5, 10, 10, 5, 1, 1, 5, 10, 10, 5, 1, 1, 5, 10, 10, 5, 1, 1, 5, 10, 10, 5, 1, 1, 5

Offset

0,17

Comments

Diagonal sums : A103373 .

Links

G. C. Greubel, Table of n, a(n) for the first 50 rows, flattened

Example

Triangle begins : 1 ; 1 ; 1 ; 1 ; 1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,3,3,1 ; ...

Mathematica

Flatten[Table[#, {5}] & /@ Table[Binomial[n, k], {n, 0, 10}, {k, 0, n}]] (* G. C. Greubel, May 03 2017 *)

Crossrefs

Cf. A007318, A152198, A152815, A152828, A152830.

Sequence in context: A115577 A115570 A069288 * A097795 A161076 A161115

Adjacent sequences: A152828 A152829 A152830 * A152832 A152833 A152834

Keyword

easy,nonn,tabf

Author

Philippe Deléham, Dec 13 2008

Status

approved