Number of iterations to reach a final state for an n X n lattice of sandpiles on a torus according to rules specified in the comment section.

A249872

Number of iterations to reach a final state for an n X n lattice of sandpiles on a torus according to rules specified in the comment section.

Terms

    a(0) =0a(1) =7a(2) =28a(3) =133a(4) =316a(5) =913a(6) =1360a(7) =2987a(8) =4340a(9) =7495a(10) =11328a(11) =17166a(12) =23032a(13) =32903a(14) =42440a(15) =61146a(16) =72872a(17) =98243a(18) =119232a(19) =153173a(20) =175356a(21) =231023a(22) =271828a(23) =333160a(24) =397736a(25) =474983a(26) =543904a(27) =647743a(28) =744408a(29) =873435

External references