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!)

A137531 as a simple table

n a(n)
0 1
1 4
2 10
3 23
4 53
5 123
6 286
7 665
8 1546
9 3594
10 8355
11 19423
12 45153
13 104968
14 244021
15 567280
16 1318766
17 3065759
18 7127025
19 16568323
20 38516678
21 89540413
22 208156206
23 483904470
24 1124941411
25 2615171499
26 6079536145
27 14133206848
28 32855719753
29 76380281708
30 177562612466

[1,4,10,23,53,123,286,665,1546,3594,8355,19423,
 45153,104968,244021,567280,1318766,3065759,
 7127025,16568323,38516678,89540413,208156206,
 483904470,1124941411,2615171499,6079536145,
 14133206848,32855719753,76380281708,177562612466]

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 May 16 12:38 EDT 2021. Contains 343947 sequences. (Running on oeis4.)