A276734 - OEIS

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A276734 as a simple table

n	a(n)
1	1
2	5
3	7
4	9
5	21
6	22
7	44
8	45
9	66
10	70
11	78
12	112
13	150
14	156
15	160
16	264
17	270
18	280
19	432
20	600
21	1080
22	1680

[1,5,7,9,21,22,44,45,66,70,78,112,150,156,160,264, 270,280,432,600,1080,1680]

[1,5,7,9,21,22,44,45,66,70,78,112,150,156,160,264,
 270,280,432,600,1080,1680]