login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A220907 as a simple table

n a(n)
1 0
2 1
3 4
4 10
5 21
6 40
7 70
8 119
9 190
10 301
11 455
12 686
13 998
14 1450
15 2051
16 2895
17 4001
18 5523
19 7490
20 10141
21 13545
22 18046
23 23773
24 31255
25 40687
26 52850
27 68105
28 87542
29 111755
30 142347
31 180205
32 227622
33 286027
34 358580
35 447482
36 557235
37 691016
38 855131
39 1054375
40 1297352
41 1591060

[0,1,4,10,21,40,70,119,190,301,455,686,998,1450,
 2051,2895,4001,5523,7490,10141,13545,18046,23773,
 31255,40687,52850,68105,87542,111755,142347,
 180205,227622,286027,358580,447482,557235,691016,
 855131,1054375,1297352,1591060]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 25 09:22 EDT 2024. Contains 374587 sequences. (Running on oeis4.)