A391052 a(n) = A065072(n) / A256043(n).

1, 1, 1, 1, 1, 1, 5, 1305, 1, 37, 41, 1, 34643, 5777, 2941, 2457069325, 1, 27557389, 1221124363, 816665, 27, 173, 42608134025950267523205

Offset

0,7

Links

Table of n, a(n) for n=0..22.

Laura Florescu, Daniela Morar, David Perkinson, Nicholas Salter and Tianyuan Xu, Sandpiles and Dominos, El. J. Comb., 22 (2015), P1.66. See Corollary 30.

Crossrefs

Cf. A065072, A256043, A256046.

Sequence in context: A234811 A069642 A182345 * A268485 A066162 A096725

Adjacent sequences: A391049 A391050 A391051 * A391053 A391054 A391055

Keyword

nonn,more

Author

Andrei Zabolotskii, Nov 26 2025

Extensions

a(13)-a(22) from Andrei Zabolotskii, Dec 01 2025

Status

approved