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A246868 as a simple table

na(n)
01
12
23
36
410
515
630
742
870
9110
10210
11330
12462
13770
141155
152310
162730
174290
186006
1910010
2015015
2130030
2239270
2346410
2472930
25102102
26170170
27255255
28510510
29570570
30746130
31903210
321385670
331939938
343233230
354849845
369699690
3711741730
3814804790
3917160990

[1,2,3,6,10,15,30,42,70,110,210,330,462,770,1155,
 2310,2730,4290,6006,10010,15015,30030,39270,46410,
 72930,102102,170170,255255,510510,570570,746130,
 903210,1385670,1939938,3233230,4849845,9699690,
 11741730,14804790,17160990]