A014171 Apply partial sum operator 4 times to binary rooted tree numbers.

1, 5, 16, 41, 92, 190, 372, 703, 1298, 2361, 4255, 7628, 13638, 24357, 43496, 77704, 138899, 248450, 444678, 796314, 1426644, 2556825, 4583600, 8218728, 14739136, 26435727, 47418602, 85061737, 152594941

Offset

1,2

Links

Table of n, a(n) for n=1..29.

Index entries for sequences related to rooted trees

Formula

G.f.: (B(x)-x)/x(1-x)^4 where B(x) is g.f. of A002572.

Crossrefs

Cf. A002572.

Sequence in context: A258473 A014161 A014166 * A014175 A097810 A187004

Adjacent sequences: A014168 A014169 A014170 * A014172 A014173 A014174

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved