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A158445 as a simple table

n a(n)
1 30
2 105
3 230
4 405
5 630
6 905
7 1230
8 1605
9 2030
10 2505
11 3030
12 3605
13 4230
14 4905
15 5630
16 6405
17 7230
18 8105
19 9030
20 10005
21 11030
22 12105
23 13230
24 14405
25 15630
26 16905
27 18230
28 19605
29 21030
30 22505
31 24030
32 25605
33 27230
34 28905
35 30630
36 32405
37 34230
38 36105
39 38030
40 40005
41 42030

[30,105,230,405,630,905,1230,1605,2030,2505,3030,
 3605,4230,4905,5630,6405,7230,8105,9030,10005,
 11030,12105,13230,14405,15630,16905,18230,19605,
 21030,22505,24030,25605,27230,28905,30630,32405,
 34230,36105,38030,40005,42030]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)