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A191643 Incorrect version of A001861. 0
2, 8, 22, 94, 454, 2430, 14214, 89918, 610182, 4412958 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 29 08:09 EST 2020. Contains 331337 sequences. (Running on oeis4.)