A178877 - OEIS

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A178877 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	10
10	12
11	14
12	15
13	18
14	20
15	21
16	28
17	30
18	35
19	36
20	42
21	45
22	60
23	63
24	70
25	84
26	90
27	105
28	126
29	140
30	180
31	210
32	252
33	315
34	420
35	630
36	1260

[1,2,3,4,5,6,7,9,10,12,14,15,18,20,21,28,30,35,36, 42,45,60,63,70,84,90,105,126,140,180,210,252,315, 420,630,1260]