login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A058937 as a simple table

n a(n)
1 1
2 0
3 0
4 0
5 0
6 1
7 2
8 3
9 5
10 7
11 9
12 12
13 15
14 18
15 22
16 26
17 30
18 35
19 40
20 45
21 51
22 57
23 63
24 70
25 77
26 84
27 92
28 100
29 108
30 117
31 126
32 135
33 145
34 155
35 165
36 176
37 187
38 198
39 210
40 222
41 234
42 247
43 260
44 273
45 287
46 301
47 315
48 330
49 345
50 360
51 376
52 392
53 408
54 425
55 442
56 459
57 477
58 495
59 513
60 532
61 551

[1,0,0,0,0,1,2,3,5,7,9,12,15,18,22,26,30,35,40,45,
 51,57,63,70,77,84,92,100,108,117,126,135,145,155,
 165,176,187,198,210,222,234,247,260,273,287,301,
 315,330,345,360,376,392,408,425,442,459,477,495,
 513,532,551]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 24 22:09 EST 2021. Contains 340414 sequences. (Running on oeis4.)