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A215627 as a simple table

n a(n)
1 1
2 30
3 210
4 867
5 2690
6 6956
7 15833
8 32775
9 63024
10 114235
11 197241
12 326976
13 523575
14 813671
15 1231910
16 1822706
17 2642259
18 3760860
19 5265508
20 7262865
21 9882576
22 13280982
23 17645255
24 23197985
25 30202250
26 38967201
27 49854195
28 63283510
29 79741677
30 99789465
31 124070556

[1,30,210,867,2690,6956,15833,32775,63024,114235,
 197241,326976,523575,813671,1231910,1822706,
 2642259,3760860,5265508,7262865,9882576,13280982,
 17645255,23197985,30202250,38967201,49854195,
 63283510,79741677,99789465,124070556]

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Last modified May 5 18:06 EDT 2024. Contains 372277 sequences. (Running on oeis4.)