A152844 Triangle read by rows, A007318 rows repeated six times .

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

Offset

0,20

Comments

Diagonal sums : A103374 .

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 ; 1,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,3,3,1 ; ...

Mathematica

Flatten[Table[#, {6}] & /@ Table[Binomial[n, k], {n, 0, 10}, {k, 0, n}]] (* G. C. Greubel, May 03 2017 *)

Crossrefs

Cf. A007318, A152198, A152815, A152828, A152830, A152831.

Sequence in context: A152845 A115571 A333805 * A115580 A115583 A115574

Adjacent sequences: A152841 A152842 A152843 * A152845 A152846 A152847

Keyword

easy,nonn,tabf

Author

Philippe Deléham, Dec 14 2008

Status

approved