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A210736 as a simple table

na(n)
01
11
21
32
43
56
610
720
835
970
10126
11252
12462
13924
141716
153432
166435
1712870
1824310
1948620
2092378
21184756
22352716
23705432
241352078
252704156
265200300
2710400600
2820058300
2940116600
3077558760
31155117520
32300540195
33601080390
341166803110
352333606220
364537567650

[1,1,1,2,3,6,10,20,35,70,126,252,462,924,1716,
 3432,6435,12870,24310,48620,92378,184756,352716,
 705432,1352078,2704156,5200300,10400600,20058300,
 40116600,77558760,155117520,300540195,601080390,
 1166803110,2333606220,4537567650]