A048695 - OEIS

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A048695 as a simple table

n	a(n)
0	1
1	8
2	17
3	42
4	101
5	244
6	589
7	1422
8	3433
9	8288
10	20009
11	48306
12	116621
13	281548
14	679717
15	1640982
16	3961681
17	9564344
18	23090369
19	55745082
20	134580533
21	324906148
22	784392829
23	1893691806
24	4571776441
25	11037244688

[1,8,17,42,101,244,589,1422,3433,8288,20009,48306, 116621,281548,679717,1640982,3961681,9564344, 23090369,55745082,134580533,324906148,784392829, 1893691806,4571776441,11037244688]