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A249698 as a simple table

na(n)
01
10
26
30
42426
50
67553776
70
890192976308
90
102939813898295990
110
12213701821328573755046
130
1430292525174041077292043440
150
167609302838629919155170452856136
170
183152886110080180503361685427596189430
190
202038143533263759863560759054752335955960482

[1,0,6,0,2426,0,7553776,0,90192976308,0,
 2939813898295990,0,213701821328573755046,0,
 30292525174041077292043440,0,
 7609302838629919155170452856136,0,
 3152886110080180503361685427596189430,0,
 2038143533263759863560759054752335955960482]