A003429 Number of trees with stability index n. (Formerly M3765)

5, 7, 15, 27, 57, 114, 243, 506, 1102, 2381, 5269, 11686, 26277, 59348, 135317, 310064, 715475, 1659321, 3870414, 9071915, 21372782, 50591199, 120332237

Offset

1,1

References

D. D. Grant, The stability index of graphs, pp. 29-52 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..23.

D. D. Grant, The stability index of graphs, pp. 29-52 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974. Gives first 45 terms.

Index entries for sequences related to trees

Crossrefs

Sequence in context: A110994 A015833 A072022 * A076860 A283592 A067589

Adjacent sequences: A003426 A003427 A003428 * A003430 A003431 A003432

Keyword

nonn,more

Author

N. J. A. Sloane

Status

approved