A032111 "BIJ" (reversible, indistinct, labeled) transform of 2,2,2,2...

2, 6, 38, 366, 4502, 66606, 1149878, 22687566, 503589782, 12420052206, 336947795318, 9972186170766, 319727684645462, 11039636939221806, 408406422098722358, 16116066766061589966, 675700891505466507542

Offset: 1

Author

Christian G. Bower

Keywords

• nonn

Links

• C. G. Bower, Transforms (2)

Crossrefs

Equals A050351(n) + 1. Cf. A004123, A027882.

Formula

E.g.f.: 2(-2+3e^x-e^(2x))/(2-3e^x).