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A137361 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 6
9 21
10 56
11 126
12 254
13 480
14 882
15 1617
16 2992
17 5580
18 10410
19 19292
20 35400
21 64343
22 116128
23 208701
24 374226
25 670095
26 1198164
27 2138423
28 3808148
29 6766089
30 11996042
31 21229790
32 37513896
33 66202347
34 116692472
35 205458357
36 361349662
37 634845141
38 1114205988

[0,0,0,0,0,0,0,1,6,21,56,126,254,480,882,1617,
 2992,5580,10410,19292,35400,64343,116128,208701,
 374226,670095,1198164,2138423,3808148,6766089,
 11996042,21229790,37513896,66202347,116692472,
 205458357,361349662,634845141,1114205988]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)