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A004252 Path sums of n-point graphs.
(Formerly M1196)
1
1, 2, 4, 9, 26, 95 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

A. K. Dewdney, Three classes of graph invariants and their powers, pp. 243-263 of Proc. 9th S-E Conf. Combinatorics, Graph Theory, Computing, Congr. Numer. 21 (1978).

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..6.

CROSSREFS

Sequence in context: A188669 A243568 A087378 * A114957 A002773 A112706

Adjacent sequences:  A004249 A004250 A004251 * A004253 A004254 A004255

KEYWORD

nonn,more,nice

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 24 03:21 EST 2018. Contains 299595 sequences. (Running on oeis4.)