A001395 - OEIS

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A001395 as a simple table

n	a(n)
0	2
1	10
2	74
3	518
4	3934
5	29914
6	232094
7	1812890
8	14277886
9	113016230
10	898797262
11	7173454238
12	57431351010
13	460989676450
14	3708603354110
15	29893215059758

[2,10,74,518,3934,29914,232094,1812890,14277886, 113016230,898797262,7173454238,57431351010, 460989676450,3708603354110,29893215059758]

[2,10,74,518,3934,29914,232094,1812890,14277886,
 113016230,898797262,7173454238,57431351010,
 460989676450,3708603354110,29893215059758]