A152059 - OEIS

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A152059 as a simple table

n	a(n)
0	1
1	2
2	13
3	136
4	1961
5	36046
6	805597
7	21204548
8	642451441
9	22021483546
10	842527453421
11	35591363004352
12	1645373927307673
13	82625931422081126
14	4478815087922020861
15	260648364396903639676
16	16208855884741850686817

[1,2,13,136,1961,36046,805597,21204548,642451441, 22021483546,842527453421,35591363004352, 1645373927307673,82625931422081126, 4478815087922020861,260648364396903639676, 16208855884741850686817]