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A136905 as a simple table

n a(n)
1 0
2 2
3 20
4 64
5 200
6 264
7 492
8 640
9 964
10 2000
11 2064
12 2640
13 4902
14 4920
15 4992
16 6400
17 9640
18 20000
19 20602
20 20640
21 20992
22 24992
23 26400
24 49020
25 49200
26 49902
27 49920
28 49992
29 64000
30 96400
31 200000
32 206020
33 206400
34 209920
35 209992
36 222402
37 246962
38 249920
39 249992
40 264000
41 490200
42 492000
43 494262
44 494462
45 494662
46 499002
47 499020
48 499200
49 499902
50 499920
51 499992

[0,2,20,64,200,264,492,640,964,2000,2064,2640,
 4902,4920,4992,6400,9640,20000,20602,20640,20992,
 24992,26400,49020,49200,49902,49920,49992,64000,
 96400,200000,206020,206400,209920,209992,222402,
 246962,249920,249992,264000,490200,492000,494262,
 494462,494662,499002,499020,499200,499902,499920,
 499992]

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Last modified April 17 05:47 EDT 2024. Contains 371756 sequences. (Running on oeis4.)