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A300143 as a simple table

na(n)
10
248
341
41043
513182
678147
7913701
811122233
999027295
101040222221
1111562804608
12115920303858
131201565662561
1412820826904498
15132650638961691
161378415327105920
1714490731179701638
18151067351451920960

[0,48,41,1043,13182,78147,913701,11122233,
 99027295,1040222221,11562804608,115920303858,
 1201565662561,12820826904498,132650638961691,
 1378415327105920,14490731179701638,
 151067351451920960]