A182808 - OEIS

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A182808 as a simple table

n	a(n)
1	1
2	3
3	6
4	13
5	25
6	49
7	88
8	158
9	273
10	468
11	779
12	1284
13	2075
14	3323
15	5237
16	8182
17	12625
18	19323
19	29269
20	44004
21	65585
22	97084
23	142627
24	208233
25	302008
26	435525
27	624363
28	890414
29	1263105
30	1783200
31	2505329

[1,3,6,13,25,49,88,158,273,468,779,1284,2075,3323, 5237,8182,12625,19323,29269,44004,65585,97084, 142627,208233,302008,435525,624363,890414,1263105, 1783200,2505329]