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!)

A050668 as a simple table

n a(n)
1 23
2 41
3 47
4 53
5 71
6 79
7 83
8 113
9 149
10 181
11 229
12 293
13 311
14 349
15 359
16 379
17 421
18 433
19 523
20 541
21 587
22 593
23 617
24 619
25 661
26 701
27 719
28 727
29 769
30 787
31 797
32 881
33 971
34 1327
35 1373
36 1399
37 1471
38 1543
39 1741
40 1747
41 1811
42 1889
43 1913
44 1979
45 2027
46 2129
47 2137
48 2161
49 2251

[23,41,47,53,71,79,83,113,149,181,229,293,311,349,
 359,379,421,433,523,541,587,593,617,619,661,701,
 719,727,769,787,797,881,971,1327,1373,1399,1471,
 1543,1741,1747,1811,1889,1913,1979,2027,2129,2137,
 2161,2251]

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 8 02:41 EST 2021. Contains 349590 sequences. (Running on oeis4.)