A271340 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

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 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A271340 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	10
9	15
10	19
11	32
12	54
13	68
14	114
15	148
16	227
17	238
18	286
19	405
20	789
21	857
22	1310
23	2314
24	3613
25	4103
26	4215
27	5135
28	6094
29	8023
30	8718
31	16899
32	34215
33	41989
34	81585
35	85010
36	143097
37	165282
38	199447

[0,1,2,3,4,6,7,10,15,19,32,54,68,114,148,227,238, 286,405,789,857,1310,2314,3613,4103,4215,5135, 6094,8023,8718,16899,34215,41989,81585,85010, 143097,165282,199447]