A357730 - OEIS

A357730 as a simple table

n	a(n)
10	1
11	10
12	55
13	210
14	625
15	1542
16	3300
17	6310
18	11040
19	17980
20	27673
21	40660
22	57475
23	78520
24	104175
25	134742
26	170620
27	212220
28	260035
29	314290
30	374933
31	441790
32	514855
33	594210
34	680070
35	772582
36	871920
37	977790
38	1090680
39	1210960
40	1339417
41	1475340
42	1618020
43	1766080
44	1918785
45	2076012

[1,10,55,210,625,1542,3300,6310,11040,17980,27673, 40660,57475,78520,104175,134742,170620,212220, 260035,314290,374933,441790,514855,594210,680070, 772582,871920,977790,1090680,1210960,1339417, 1475340,1618020,1766080,1918785,2076012]