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”).

A138307 as a simple table

na(n)
12
24
36
414
516
626
736
838
964
10100
11144
12196
13206
14256
15324
16332
17400
18484
19530
20576
21676
22784
23900
241024
251156
261296
271444
281600
291764
301936
312116
322304
332500
342704
352916
363136
373364
383600
393844
404096
414356
424624
434900
445184
455476
465776
476084
486400

[2,4,6,14,16,26,36,38,64,100,144,196,206,256,324,
 332,400,484,530,576,676,784,900,1024,1156,1296,
 1444,1600,1764,1936,2116,2304,2500,2704,2916,3136,
 3364,3600,3844,4096,4356,4624,4900,5184,5476,5776,
 6084,6400]