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A056599 Series for first perpendicular moment of square lattice bond percolation near a wall (eventually goes negative). 1
1, 2, 5, 10, 21, 40, 77, 142, 262, 470, 843, 1486, 2609, 4529, 7846, 13448, 23027, 39096, 66320, 111795, 187946, 314844, 526367, 876362, 1455579, 2415059, 3989542, 6597538, 10834513, 17869253, 29239356, 48152477, 78162313 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

The 65th term is the first negative term.

LINKS

I. Jensen, Table of n, a(n) for n = 0..174 (from link below)

I. Jensen, More terms

CROSSREFS

Sequence in context: A215925 A182807 A306098 * A191531 A212531 A261681

Adjacent sequences:  A056596 A056597 A056598 * A056600 A056601 A056602

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Aug 27 2000

STATUS

approved

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Last modified September 20 16:58 EDT 2019. Contains 327242 sequences. (Running on oeis4.)