A276470 - OEIS

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A276470 as a simple table

n	a(n)
1	1
2	3
3	4
4	5
5	11
6	15
7	18
8	37
9	41
10	58
11	60
12	87
13	117
14	118
15	214
16	265
17	334
18	355
19	450
20	655
21	1695
22	1734
23	2183
24	3913
25	25313
26	32865

[1,3,4,5,11,15,18,37,41,58,60,87,117,118,214,265, 334,355,450,655,1695,1734,2183,3913,25313,32865]