A342282 G.f. = 1-1/H(x) where H(x) = 1 + 2*x + 6*x^2 + 22*x^3 + 92*x^4 + 422*x^5 + 2074*x^6 + ... is a g.f. for the Baxter sequence A001181 with a different offset.

0, 2, 2, 6, 24, 110, 550, 2922, 16242, 93520, 553980, 3359384, 20777588, 130696662, 834244830, 5393850898, 35272830054, 233016356788, 1553427829684, 10441803227652, 70715551631992, 482201548554776, 3308810614160224, 22836540660981088, 158458108961055864, 1104984826809182592

Offset

0,2

Links

Seiichi Manyama, Table of n, a(n) for n = 0..1000

Essam, J.W. and Guttmann, A.J., 1995. Vicious walkers and directed polymer networks in general dimensions. Physical Review E, 52(6), pp. 5849ff.

Iwan Jensen, Three friendly walkers, Journal of Physics A: Mathematical and Theoretical, Volume 50:2 (2017), #24003, 14 pages. See G(x).

Crossrefs

Cf. A001181, A342283, A342284.

Sequence in context: A276409 A093453 A301381 * A253093 A052660 A135407

Adjacent sequences: A342279 A342280 A342281 * A342283 A342284 A342285

Keyword

nonn

Author

N. J. A. Sloane, Mar 19 2021

Status

approved