A055345 Number of mobiles (circular rooted trees) with n nodes and 7 leaves.

1, 7, 56, 318, 1408, 5207, 16772, 48410, 127661, 312172, 715827, 1552945, 3210066, 6359208, 12131129, 22374522, 40034564, 69695820, 118346132, 196435550, 319321325, 509215461, 797775355, 1229513719, 1866237409

Offset

8,2

Links

Table of n, a(n) for n=8..32.

Index entries for sequences related to mobiles

Crossrefs

Column 7 of A055340.

Sequence in context: A090224 A237647 A047664 * A180287 A082140 A264693

Adjacent sequences: A055342 A055343 A055344 * A055346 A055347 A055348

Keyword

nonn

Author

Christian G. Bower, May 14 2000

Status

approved