login

A205538 as a simple table

na(n)
04
17
213
325
449
597
6193
7385
8763
91501
103025
113913
1212061
1313237
1441693
1594877
16192761
17161679
18577335
19566125
202121717
216212095
2211652247
237210273
2427786775
2588613281
26180520835
27381858643
28791151441
29387619015
301426155039
31952126007
324653940585
3318365318027
3435022400715
3597368590739
36203998824249

[4,7,13,25,49,97,193,385,763,1501,3025,3913,12061,
 13237,41693,94877,192761,161679,577335,566125,
 2121717,6212095,11652247,7210273,27786775,
 88613281,180520835,381858643,791151441,387619015,
 1426155039,952126007,4653940585,18365318027,
 35022400715,97368590739,203998824249]