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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

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

A014648 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 1
6 5
7 1
8 6
9 3
10 8
11 1
12 33
13 1
14 11
15 11
16 26
17 1
18 66
19 1
20 76
21 15
22 17
23 1
24 378
25 5
26 20
27 18
28 136
29 1
30 648
31 1
32 166
33 23
34 26
35 23
36 1954
37 1
38 29
39 27
40 1212
41 1
42 1500
43 1
44 309
45 261
46 35
47 1
48 8600
49 7
50 378
51 35
52 422
53 1
54 2877
55 35
56 2803
57 39
58 44
59 1
60 66129
61 1
62 47
63 461
64 1626
65 41
66 4936

[1,1,1,2,1,5,1,6,3,8,1,33,1,11,11,26,1,66,1,76,15,
 17,1,378,5,20,18,136,1,648,1,166,23,26,23,1954,1,
 29,27,1212,1,1500,1,309,261,35,1,8600,7,378,35,
 422,1,2877,35,2803,39,44,1,66129,1,47,461,1626,41,
 4936]

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 November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)