A191643 Incorrect version of A001861.

2, 8, 22, 94, 454, 2430, 14214, 89918, 610182, 4412958

Offset

1,1

References

Carlier, Jacques; and Lucet, Corinne; A decomposition algorithm for network reliability evaluation. In First International Colloquium on Graphs and Optimization (GOI), 1992 (Grimentz). Discrete Appl. Math. 65 (1996), 141-156.

Links

Table of n, a(n) for n=1..10.

Formula

There is an explicit formula in the reference (see p. 152).

Prog

(PARI) a(n) = sum(j=1, k, stirling(k, j, 2)*2^(j)) \\ Michel Marcus, Apr 25 2013

Crossrefs

Cf. A191644.

Sequence in context: A328140 A053958 A300370 * A151356 A238530 A303287

Adjacent sequences: A191640 A191641 A191642 * A191644 A191645 A191646

Keyword

dead

Status

approved