login

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”).

A271155 as a simple table

na(n)
04
14
223
3-23
492
5-56
6119
7-127
8283
9-227
10320
11-328
12571
13-515
14627
15-627
16964
17-892
181028
19-1020
201480
21-1424
221572
23-1528
242044
25-1960
262108
27-2072
282764
29-2688
302836
31-2852
323560
33-3220
343248
35-3300
364356
37-4472
384656
39-4552
405508
41-5308
425372
43-5316

[4,4,23,-23,92,-56,119,-127,283,-227,320,-328,571,
 -515,627,-627,964,-892,1028,-1020,1480,-1424,1572,
 -1528,2044,-1960,2108,-2072,2764,-2688,2836,-2852,
 3560,-3220,3248,-3300,4356,-4472,4656,-4552,5508,
 -5308,5372,-5316]