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”).

A142053 as a simple table

na(n)
17
273
3139
4271
5337
6601
7733
8997
91063
101129
111327
121459
131657
141723
151789
161987
172053
182251
192383
202647
212713
223109
233307
243373
253571
263637
273769
283967
294099
304231
314297
324363
334561
344759
354957
365023
375419
385683
395749
405881
416079
426211
436277
446343
456607

[7,73,139,271,337,601,733,997,1063,1129,1327,1459,
 1657,1723,1789,1987,2053,2251,2383,2647,2713,3109,
 3307,3373,3571,3637,3769,3967,4099,4231,4297,4363,
 4561,4759,4957,5023,5419,5683,5749,5881,6079,6211,
 6277,6343,6607]