login

A284421 as a simple table

na(n)
01
13
27
315
429
563
6117
7251
8479
91019
101887
114027
127679
1316299
1430167
1564495
16122749
17261103
18483197
191031151
201965949
214172783
227722877
2316510959
2431423869
2566842351
26123699197
27263973551
28503280989
291068235455
301977048437
314226793211
328044541919

[1,3,7,15,29,63,117,251,479,1019,1887,4027,7679,
 16299,30167,64495,122749,261103,483197,1031151,
 1965949,4172783,7722877,16510959,31423869,
 66842351,123699197,263973551,503280989,1068235455,
 1977048437,4226793211,8044541919]