A354215 - OEIS

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A354215 as a simple table

n	a(n)
0	1
1	2
2	3
3	7
4	19
5	29
6	81
7	125
8	353
9	161
10	1545
11	705
12	2001
13	3089
14	8769
15	24897
16	38433
17	109121
18	309825
19	478273
20	1357953
21	2096257
22	5951873
23	2715905

[1,2,3,7,19,29,81,125,353,161,1545,705,2001,3089, 8769,24897,38433,109121,309825,478273,1357953, 2096257,5951873,2715905]