A036646 - OEIS

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A036646

Number of 6-ary rooted trees with n nodes and height exactly 8.

0, 0, 0, 0, 0, 0, 0, 0, 1, 7, 34, 136, 487, 1615, 5072, 15294, 44714, 127606, 357228, 984589, 2679136, 7212560, 19242043, 50938745, 133946018, 350157109, 910637333, 2357358995, 6077294342, 15608979157, 39954656651, 101957124499, 259439596714

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OFFSET

0,10

LINKS

Table of n, a(n) for n=0..32.

E. M. Rains and N. J. A. Sloane, On Cayley's Enumeration of Alkanes (or 4-Valent Trees), J. Integer Sequences, Vol. 2 (1999), Article 99.1.1.

Index entries for sequences related to rooted trees

CROSSREFS

Sequence in context: A147827 A036632 A036639 * A000418 A055852 A319405

Adjacent sequences: A036643 A036644 A036645 * A036647 A036648 A036649

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane.

STATUS

approved