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A278969 as a simple table

n a(n)
1 1
2 7
3 28
4 84
5 210
6 462
7 924
8 1716
9 3003
10 5004
11 7995
12 12306
13 18312
14 26418
15 37038
16 50568
17 67353
18 87648
19 111573
20 139068
21 169863
22 203463
23 239148
24 275988
25 312873
26 348558
27 381723
28 411048
29 435303
30 453438
31 464653
32 468448
33 464653
34 453438
35 435303
36 411048
37 381723
38 348558
39 312873
40 275988
41 239148
42 203463
43 169863
44 139068
45 111573
46 87648
47 67353
48 50568
49 37038
50 26418
51 18312
52 12306
53 7995
54 5004
55 3003
56 1716
57 924
58 462
59 210
60 84
61 28
62 7
63 1

[1,7,28,84,210,462,924,1716,3003,5004,7995,12306,
 18312,26418,37038,50568,67353,87648,111573,139068,
 169863,203463,239148,275988,312873,348558,381723,
 411048,435303,453438,464653,468448,464653,453438,
 435303,411048,381723,348558,312873,275988,239148,
 203463,169863,139068,111573,87648,67353,50568,
 37038,26418,18312,12306,7995,5004,3003,1716,924,
 462,210,84,28,7,1]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)