A224729 Central terms of the triangle in A059283.

1, 2, 14, 138, 1522, 17740, 213642, 2628626, 32833226, 414697740, 5282720764, 67750624480, 873653602902, 11316723314858, 147143725788662, 1919360958676866, 25105597581410410, 329174706398378884, 4325098764217263996, 56934186664360843064

Offset

0,2

Comments

a(n) = A059283(2*n,n).

Links

Table of n, a(n) for n=0..19.

Prog

(Haskell)
a224729 n = a059283 (2*n) n

Crossrefs

Sequence in context: A111424 A317356 A336182 * A355722 A303395 A301271

Adjacent sequences: A224726 A224727 A224728 * A224730 A224731 A224732

Keyword

nonn

Author

Reinhard Zumkeller, Apr 17 2013

Status

approved