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A223840 as a simple table

n a(n)
1 5
2 25
3 89
4 249
5 596
6 1286
7 2578
8 4886
9 8851
10 15439
11 26072
12 42800
13 68523
14 107273
15 164567
16 247843
17 366992
18 535000
19 768715
20 1089755
21 1525574
22 2110704
23 2888192
24 3911252
25 5245153
26 6969365
27 9179986
28 11992474
29 15544709
30 20000411
31 25552941

[5,25,89,249,596,1286,2578,4886,8851,15439,26072,
 42800,68523,107273,164567,247843,366992,535000,
 768715,1089755,1525574,2110704,2888192,3911252,
 5245153,6969365,9179986,11992474,15544709,
 20000411,25552941]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)