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A260017 Triangle read by rows giving certain self-avoiding walk data for the triangular lattice. 0
6, 30, 12, 138, 48, 24, 618, 180, 84, 60, 2730, 792, 264, 192, 180, 11946, 3444, 1128, 528, 552, 588 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See Redner (1980) for precise definition.

LINKS

Table of n, a(n) for n=1..21.

S. Redner, Distribution functions in the interior of polymer chains, J. Phys. A 13 (1980), 3525-3541, doi:10.1088/0305-4470/13/11/023.

EXAMPLE

Triangle begins:

6,

30,12,

138,48,24,

618,180,84,60,

2730,792,264,192,180,

11946,3444,1128,528,552,588,

...

CROSSREFS

Diagonals include A001334, A007200, A007201.

Sequence in context: A144746 A051685 A165734 * A123624 A287733 A066197

Adjacent sequences:  A260014 A260015 A260016 * A260018 A260019 A260020

KEYWORD

nonn,tabl,more

AUTHOR

N. J. A. Sloane, Jul 13 2015

STATUS

approved

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Last modified July 19 12:49 EDT 2019. Contains 325159 sequences. (Running on oeis4.)