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”).

A009861 as a simple table

na(n)
01
14
28
316
429
544
661
788
8120
9142
10174
11218
12256
13302
14349
15400
16455
17512
18578
19634
20706
21788
22858
23942
241021
251106
261197
271288
281396
291486
301596
311716
321812
331930
342043
352166
362297
372428
382570
392688
402838
412986
423114
433278
443425
453590
463763
473918

[1,4,8,16,29,44,61,88,120,142,174,218,256,302,349,
 400,455,512,578,634,706,788,858,942,1021,1106,
 1197,1288,1396,1486,1596,1716,1812,1930,2043,2166,
 2297,2428,2570,2688,2838,2986,3114,3278,3425,3590,
 3763,3918]