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A138405 as a simple table

n a(n)
1 28
2 234
3 3100
4 16758
5 160930
6 371124
7 1419568
8 2475738
9 6435814
10 20510308
11 28628190
12 69342588
13 115854520
14 147006594
15 229342798
16 418192684
17 714920818
18 844592580
19 1350120618
20 1804224310
21 2073066264
22 3077050158
23 3939033754
24 5584051528
25 8587330848
26 10510090300

[28,234,3100,16758,160930,371124,1419568,2475738,
 6435814,20510308,28628190,69342588,115854520,
 147006594,229342798,418192684,714920818,844592580,
 1350120618,1804224310,2073066264,3077050158,
 3939033754,5584051528,8587330848,10510090300]

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Last modified June 8 09:36 EDT 2024. Contains 373217 sequences. (Running on oeis4.)