A067146 Shifts left under exponential reversion.

1, 1, -1, 4, -29, 309, -4383, 78121, -1684706, 42801222, -1255919755, 41918624013, -1572257236114, 65619165625383, -3022617826829288, 152615633802149416, -8397224009015443509, 500957609480739613321

Offset: 1

Author

Christian G. Bower, Jan 03 2002

Keywords

• sign
• eigen

Comments

A signed version of A210949.

Links

• N. J. A. Sloane, Transforms

Crossrefs

Cf. A210949, A277410.

Formula

E.g.f. satisfies A^(-1)(x) = A'(x) - 1.

a(n) = (-1)^n * Sum_{k=0..n-1} A277410(n,k), for n>1. - Paul D. Hanna, Jan 06 2017