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!)

A027905 as a simple table

n a(n)
1 4
2 18
3 73
4 266
5 845
6 2358
7 5803
8 12302
9 22579
10 36003
11 50742
12 64123
13 73808
14 78628
15 77840
16 72852
17 64889
18 55299
19 45528
20 36333
21 27921
22 20931
23 15355
24 10844
25 7564
26 5283
27 3527
28 2370
29 1554
30 988
31 659
32 427
33 285
34 188
35 121
36 78
37 56
38 35
39 24
40 16
41 9
42 6
43 4
44 4
45 3
46 1

[4,18,73,266,845,2358,5803,12302,22579,36003,
 50742,64123,73808,78628,77840,72852,64889,55299,
 45528,36333,27921,20931,15355,10844,7564,5283,
 3527,2370,1554,988,659,427,285,188,121,78,56,35,
 24,16,9,6,4,4,3,1]

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 August 18 04:36 EDT 2024. Contains 375255 sequences. (Running on oeis4.)