A045854-OEIS公司

A045854号作为一个简单的表

n个	a（n）
0	1
1	24
2	276
三	2024
4	10650
5	43056
6	140668
7	388608
8	948267
9	2121176
10	4448292
11	8811024
12	16535160
13	29632464
14	51256788
15	86069680
16	140300001
17	222302544
18	344353516
19	523941288
20	782700672
21	1146771168
22	1653111384
23	2354351232
24	3312339849
25	4594531176
26	6293753580
27	8546252072

[1,24,276,2024,10650,43056,140668,388608,948267,2121176,4448292,8811024,16535160,29632464,51256788,86069680,140300001,222302544,344353516,523941288,782700672,1146771168,1653111384,2354351232,3312339849,4594531176,6293753580,8546252072]