A232467 - OEIS

A232467

Triangle read by rows: T(n,k) = number of fully connected (n,k) corner designs (n >= 0, 1 <= k <= n+1).

1, 2, 1, 6, 3, 2, 32, 21, 18, 9, 354, 257, 219, 159, 75, 8520, 6203, 5203, 4166, 2985, 1355

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Craig S. Kaplan, Grid-based decorative corners, in Proceedings of Bridges 2013: Mathematics, Music, Art, ..., 2013, pp. 317-324.

Craig S. Kaplan, Illustrations of corner designs (some slides from Bridges 2013 talk - see above link for full article).

EXAMPLE

Triangle begins:

2 1

6 3 2

32 21 18 9

354 257 219 159 75

8520 6203 5203 4166 2985 1355

...

CROSSREFS

KEYWORD

nonn,tabl,nice,more

AUTHOR

STATUS

approved