A294240 - cp's OEIS frontend

A294240 The number of possible ways in which 2n^2 black pawns and 2n^2 white pawns can be arranged on a 2n X 2n chessboard such that no pawn attacks another.

n	a(n)
0	1
1	3
2	30
3	410
4	6148
5	96120
6	1526700
7	24425026
8	392143828
9	6306613690
10	101505099104
11	1634209596410
12	26311180850268
13	423567557239604
14	6817440328754244
15	109703307312544664
16	1764863031686159684
17	28385338557467333804
18	456426743658724223028
19	7337464027218416593362

[1, 3, 30, 410, 6148, 96120, 1526700, 24425026, 392143828, 6306613690, 101505099104, 1634209596410, 26311180850268, 423567557239604, 6817440328754244, 109703307312544664, 1764863031686159684, 28385338557467333804, 456426743658724223028, 7337464027218416593362]

cp's OEIS Frontend

A294240 The number of possible ways in which 2n^2 black pawns and 2n^2 white pawns can be arranged on a 2n X 2n chessboard such that no pawn attacks another.

Table of values

List of values

cp's OEIS Frontend

A294240 The number of possible ways in which 2*n^2 black pawns and 2*n^2 white pawns can be arranged on a 2n X 2n chessboard such that no pawn attacks another.

Table of values

List of values

A294240 The number of possible ways in which 2n^2 black pawns and 2n^2 white pawns can be arranged on a 2n X 2n chessboard such that no pawn attacks another.