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!)

A249570 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 0
6 25
7 2
8 157
9 0
10 7
11 48
12 23
13 40
14 3
15 4
16 25
17 0
18 7
19 70
20 31
21 74
22 57
23 12
24 203
25 4
26 945
27 14
28 33
29 0
30 0
31 20
32 93
33 28
34 193
35 2442
36 0
37 728
38 183
39 70
40 13
41 0
42 0
43 2
44 13
45 0
46 0
47 0
48 11
49 0
50 0
51 0
52 0
53 0
54 0
55 14
56 0
57 22
58 0
59 0
60 0
61 72
62 109
63 0
64 85
65 0
66 73
67 0
68 0
69 0
70 19
71 0
72 61
73 12
74 21
75 4
76 0
77 570
78 0
79 0
80 177
81 1532
82 0
83 0
84 55
85 64
86 75
87 602
88 151
89 0
90 133
91 0
92 0
93 32
94 33
95 3786
96 0
97 122
98 0
99 0

[1,1,2,1,0,25,2,157,0,7,48,23,40,3,4,25,0,7,70,31,
 74,57,12,203,4,945,14,33,0,0,20,93,28,193,2442,0,
 728,183,70,13,0,0,2,13,0,0,0,11,0,0,0,0,0,0,14,0,
 22,0,0,0,72,109,0,85,0,73,0,0,0,19,0,61,12,21,4,0,
 570,0,0,177,1532,0,0,55,64,75,602,151,0,133,0,0,
 32,33,3786,0,122,0,0]

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 2 05:01 EST 2021. Contains 349437 sequences. (Running on oeis4.)