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!)

A298489 as a simple table

n a(n)
1 4
2 13
3 20
4 27
5 43
6 70
7 106
8 169
9 276
10 444
11 720
12 1183
13 1947
14 3207
15 5311
16 8826
17 14681
18 24474
19 40897
20 68419
21 114596
22 192212
23 322715
24 542258
25 911962
26 1534860
27 2584781
28 4355511
29 7343271
30 12386305
31 20901774
32 35285703
33 59589460
34 100666009
35 170109263

[4,13,20,27,43,70,106,169,276,444,720,1183,1947,
 3207,5311,8826,14681,24474,40897,68419,114596,
 192212,322715,542258,911962,1534860,2584781,
 4355511,7343271,12386305,20901774,35285703,
 59589460,100666009,170109263]

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.)