A191643 Incorrect version of A001861.
2, 8, 22, 94, 454, 2430, 14214, 89918, 610182, 4412958
Offset: 1
Keywords
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.
Crossrefs
Cf. A191644.
Programs
-
PARI
a(n) = sum(j=1, k, stirling(k,j,2)*2^(j)) \\ Michel Marcus, Apr 25 2013
Formula
There is an explicit formula in the reference (see p. 152).