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

 

Logo


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

A090984 as a simple table

n a(n)
0 1
1 3
2 9
3 21
4 48
5 102
6 213
7 421
8 819
9 1542
10 2854
11 5172
12 9240
13 16233
14 28182
15 48288
16 81862
17 137295
18 228153
19 375658
20 613554
21 994155
22 1599309
23 2554932
24 4055406
25 6397160
26 10032907
27 15647277
28 24275455
29 37471066
30 57562533
31 88018488
32 133996590
33 203126712
34 306671525
35 461184246
36 690935892
37 1031379271

[1,3,9,21,48,102,213,421,819,1542,2854,5172,9240,
 16233,28182,48288,81862,137295,228153,375658,
 613554,994155,1599309,2554932,4055406,6397160,
 10032907,15647277,24275455,37471066,57562533,
 88018488,133996590,203126712,306671525,461184246,
 690935892,1031379271]

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 August 9 22:52 EDT 2020. Contains 336335 sequences. (Running on oeis4.)