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A290364 as a simple table

n a(n)
0 0
1 1
2 42
3 817
4 8429
5 55627
6 268272
7 1030101
8 3331117
9 9425128
10 23970089
11 55880968
12 121188860
13 247272012
14 478904297
15 886654486
16 1578265414
17 2713745819
18 4525019252
19 7341094011
20 11619845543
21 17987638185
22 27288156478
23 40641967587
24 59518495595
25 85822255610

[0,1,42,817,8429,55627,268272,1030101,3331117,
 9425128,23970089,55880968,121188860,247272012,
 478904297,886654486,1578265414,2713745819,
 4525019252,7341094011,11619845543,17987638185,
 27288156478,40641967587,59518495595,85822255610]

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Last modified July 14 03:42 EDT 2020. Contains 335716 sequences. (Running on oeis4.)