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Table of n, a(n) for n=1..14.
n=1: 2*(1+ sum((1+k^3+k)/k!, k=1..infinity))/exp(1) = 14.
Cf. A001113, A092516, A092514, A092041.
Sequence in context: A248060 A186257 A241305 * A077538 A114242 A054487
Adjacent sequences: A195264 A195265 A195266 * A195268 A195269 A195270
Alexander R. Povolotsky, Sep 14 2011