A059508 - OEIS

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A059508 as a simple table

n	a(n)
1	5
2	11
3	29
4	79
5	216
6	590
7	1609
8	4381
9	11911
10	32339
11	87690
12	237496
13	642509
14	1736399
15	4688081
16	12645655
17	34080924
18	91775426
19	246948241
20	663999649
21	1784138875
22	4790751131
23	12856028814
24	34478744044
25	92416515221

[5,11,29,79,216,590,1609,4381,11911,32339,87690, 237496,642509,1736399,4688081,12645655,34080924, 91775426,246948241,663999649,1784138875, 4790751131,12856028814,34478744044,92416515221]

[5,11,29,79,216,590,1609,4381,11911,32339,87690,
 237496,642509,1736399,4688081,12645655,34080924,
 91775426,246948241,663999649,1784138875,
 4790751131,12856028814,34478744044,92416515221]