A227451 - cp's OEIS frontend

A227451 Number whose binary expansion encodes via runlengths the partition that is at the top of the main trunk of Bulgarian solitaire game tree drawn for the deck with n(n+1)/2 cards.

n	a(n)
0	0
1	1
2	5
3	18
4	77
5	306
6	1229
7	4914
8	19661
9	78642
10	314573
11	1258290
12	5033165
13	20132658
14	80530637
15	322122546
16	1288490189
17	5153960754
18	20615843021
19	82463372082
20	329853488333
21	1319413953330
22	5277655813325
23	21110623253298
24	84442493013197
25	337769972052786
26	1351079888211149

[0, 1, 5, 18, 77, 306, 1229, 4914, 19661, 78642, 314573, 1258290, 5033165, 20132658, 80530637, 322122546, 1288490189, 5153960754, 20615843021, 82463372082, 329853488333, 1319413953330, 5277655813325, 21110623253298, 84442493013197, 337769972052786, 1351079888211149]

cp's OEIS Frontend

A227451 Number whose binary expansion encodes via runlengths the partition that is at the top of the main trunk of Bulgarian solitaire game tree drawn for the deck with n(n+1)/2 cards.

Table of values

List of values