A127568 Triangle T(n,k) = Bell(k) = A000110(k), 0<=k<=n.

1, 1, 1, 1, 1, 2, 1, 1, 2, 5, 1, 1, 2, 5, 15, 1, 1, 2, 5, 15, 52, 1, 1, 2, 5, 15, 52, 203

Offset

0,6

Links

Table of n, a(n) for n=0..27.

Example

First few rows of the triangle are:
1;
1, 1;
1, 1, 2;
1, 1, 2, 5;
1, 1, 2, 5, 15;
1, 1, 2, 5, 15, 52;
...

Crossrefs

Cf. A005001 (row sums), A000110.

Sequence in context: A135723 A125311 A341359 * A263791 A327722 A334548

Adjacent sequences: A127565 A127566 A127567 * A127569 A127570 A127571

Keyword

nonn,tabl

Author

Gary W. Adamson, Jan 19 2007

Status

approved