login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

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

A073520 as a simple table

n a(n)
1 2
2 0
3 4440084513
4 258
5 313
6 484
7 797
8 2016
9 2211
10 2862
11 4507
12 6188
13 6325
14 9660
15 12669
16 13016
17 16857
18 19530
19 23069
20 28184
21 38761
22 46302
23 42515
24 49846
25 59087
26 70260
27 73385
28 78960
29 97267
30 98316
31 111023
32 124454
33 134641
34 152952
35 163043
36 180596
37 195975
38 218432
39 237623
40 293182
41 276243
42 298868

[2,0,4440084513,258,313,484,797,2016,2211,2862,
 4507,6188,6325,9660,12669,13016,16857,19530,23069,
 28184,38761,46302,42515,49846,59087,70260,73385,
 78960,97267,98316,111023,124454,134641,152952,
 163043,180596,195975,218432,237623,293182,276243,
 298868]

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 December 18 09:25 EST 2018. Contains 318219 sequences. (Running on oeis4.)