A342282 - OEIS

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

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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 A374399

Adjacent sequences: A342279 A342280 A342281 * A342283 A342284 A342285

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 19 2021

STATUS

approved