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A047758 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
131
140
150
160
178
180
190
200
2142
220
230
240
25232
260
270
280
291277
300
310
320
337183
340
350
360
3741041
380
390
400
41238315
420
430
440
451402076
460
470
480
498343804
500
510
520
5350136483
540
550
560
57303790544
580
590
600
611854115285
620
630
640
6511388104153

[0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,8,0,0,0,42,0,0,0,
 232,0,0,0,1277,0,0,0,7183,0,0,0,41041,0,0,0,
 238315,0,0,0,1402076,0,0,0,8343804,0,0,0,50136483,
 0,0,0,303790544,0,0,0,1854115285,0,0,0,
 11388104153]