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A318363 as a simple table

na(n)
11
22
34
43
516
68
7256
85
99
1032
1165536
1212
134294967296
14512
1564
167
1718446744073709551616
1818
19340282366920938463463374607431768211456
2048
211024
22131072
23115792089237316195423570985008687907853269984665640564039457584007913129639936
2420
2581
268589934592
2725

[1,2,4,3,16,8,256,5,9,32,65536,12,4294967296,512,
 64,7,18446744073709551616,18,
 340282366920938463463374607431768211456,48,1024,
 131072,
 11579208923731619542357098500868790785326998466564\
 0564039457584007913129639936,20,81,8589934592,25]