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A250938 as a simple table

n a(n)
1 2247
2 15431
3 87529
4 444421
5 2067987
6 8976385
7 36809498
8 144007880
9 541598982
10 1969991292
11 6964460154
12 24028268136
13 81182285391
14 269383972831
15 880117983928
16 2837311053260
17 9042403815092
18 28535164299486
19 89292416423582

[2247,15431,87529,444421,2067987,8976385,36809498,
 144007880,541598982,1969991292,6964460154,
 24028268136,81182285391,269383972831,880117983928,
 2837311053260,9042403815092,28535164299486,
 89292416423582]

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Last modified October 16 01:20 EDT 2019. Contains 328038 sequences. (Running on oeis4.)