A269332 - OEIS

A269332 as a simple table

n	a(n)
1	2
2	4
3	6
4	8
5	15
6	18
7	28
8	48
9	99
10	290
11	66
12	96
13	78
14	98
15	495
16	288
17	289
18	1998
19	399
20	4980
21	798
22	968
23	897
24	3888
25	5975
26	3978
27	19899
28	6888
29	6699
30	69990
31	7998
32	9888
33	9999
34	29988
35	68985
36	299988
37	74999
38	69996
39	79989
40	799880
41	99999
42	298998
43	89999
44	589996
45	4999995
46	599978
47	498999

[2,4,6,8,15,18,28,48,99,290,66,96,78,98,495,288, 289,1998,399,4980,798,968,897,3888,5975,3978, 19899,6888,6699,69990,7998,9888,9999,29988,68985, 299988,74999,69996,79989,799880,99999,298998, 89999,589996,4999995,599978,498999]