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”).

A274449 as a simple table

na(n)
12
22
38
44
532
62
7128
816
9176
1032
112048
124
138192
14128
152348
16256
17131072
188
19524288
20424
2147824
222048
238388608
2416
259389312
268192
27785408
2811680
29536870912
302
312147483648
3265536

[2,2,8,4,32,2,128,16,176,32,2048,4,8192,128,2348,
 256,131072,8,524288,424,47824,2048,8388608,16,
 9389312,8192,785408,11680,536870912,2,2147483648,
 65536]