A064880 Row sums of triangle A064879.

1, 2, 2, 4, 11, 50, 389, 4590, 73950, 1559648, 41768100, 1372257648, 53854228438, 2482184155472, 132554850677690, 8096323604940164, 559278345518698923, 43305732768029924394, 3731115433469990603265

Offset

0,2

Links

Table of n, a(n) for n=0..18.

A. J. Macfarlane, Generating functions for integer sequences defined by the evolution of cellular automata with even rule numbers, 2016.

Formula

a(n)= sum(A064879(n, m), m=0..n).

Crossrefs

Sequence in context: A153947 A298778 A260878 * A115011 A296688 A219569

Adjacent sequences: A064877 A064878 A064879 * A064881 A064882 A064883

Keyword

nonn,easy

Author

Wolfdieter Lang, Oct 12 2001

Status

approved