A111673 Triangle, generated from A111579.

1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 5, 3, 1, 1, 1, 15, 11, 4, 1, 1, 1, 52, 49, 19, 5, 1, 1, 1, 203, 257, 109, 29, 6, 1, 1, 1, 877, 1539, 742, 201, 41, 7, 1, 1, 1, 4140, 10299, 5815, 1657, 331, 55, 8, 1, 1, 1, 21147, 75905, 51193, 15821, 3176, 505, 71, 9, 1, 1, 1, 115975, 609441, 498118, 170389, 35451, 5497, 729, 89, 10, 1, 1

Offset

0,8

Comments

First few rows of the triangle are:

1,

1, 1,

1, 1, 1,

1, 2, 1, 1,

1, 5, 3, 1, 1,

1, 15, 11, 4, 1, 1,

1, 52, 49, 19, 5, 1, 1,

1, 203, 257, 109, 29, 6, 1, 1,

1, 877, 1539, 742, 201, 41, 7, 1, 1,

1, 4140, 10299, 5815, 1657, 331, 55, 8, 1, 1,

...

References

A. Kerber, A matrix of combinatorial numbers related to the symmetric groups, Discrete Mathematics, 21(1978), 319-321.

Links

Table of n, a(n) for n=0..77.

A. Kerber, A matrix of combinatorial numbers related to the symmetric groups<, Discrete Math., 21 (1978), 319-321. [Annotated scanned copy]

Formula

Columns are inverse binomial transforms of columns (k>0) of A111579.

Example

Inverse binomial transform of column 2 of A111579 (1, 2, 5, 15, 52, 203...) = column of terms (1, 1, 2, 5, 15, 52...) of A111673.

Crossrefs

Cf. A111579, A008277.

For two other versions of this triangle see A241578, A241579.

Rows and columns give A000110, A004211, A004212, A004231, A005011, A005012, A028387, A241577.

Sequence in context: A064094 A090182 A256384 * A121391 A347615 A241194

Adjacent sequences: A111670 A111671 A111672 * A111674 A111675 A111676

Keyword

nonn,tabl

Author

Gary W. Adamson, Aug 14 2005

Extensions

More terms from N. J. A. Sloane, Apr 29 2014

Status

approved