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A185988 as a simple table

na(n)
1200
26036
3126739
42854756
564582504
61458949494
732992227496
8746010901791
916868015727070
10381403214731604
118623967236516536
12194997737446961630
134409121678267544114
1499695269869992119527
152254223823580432667299

[200,6036,126739,2854756,64582504,1458949494,
 32992227496,746010901791,16868015727070,
 381403214731604,8623967236516536,
 194997737446961630,4409121678267544114,
 99695269869992119527,2254223823580432667299]