login

A020178 as a simple table

na(n)
121
249
351
4119
5133
6147
7231
8301
9357
10561
11637
12697
13793
14817
15833
16861
17931
181037
191281
201649
211729
222009
232041
242047
252107
262499
272501
282701
292821
302989
313201
323281
333913
343977
354753
365461
375719
386601
397693
407701
418041
428113
438911
449061
459073
469331

[21,49,51,119,133,147,231,301,357,561,637,697,793,
 817,833,861,931,1037,1281,1649,1729,2009,2041,
 2047,2107,2499,2501,2701,2821,2989,3201,3281,3913,
 3977,4753,5461,5719,6601,7693,7701,8041,8113,8911,
 9061,9073,9331]