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A002705 as a simple table

na(n)
00
14
240
3468
45828
576260
61032444
714316584
8202116108
92893451652
1041886157564
11611902123284
129007199254740
13133439988963012
141987795697598012
1529752813022112180
16447193795726343004
176746237832670921768
18102105221251235572188

[0,4,40,468,5828,76260,1032444,14316584,202116108,
 2893451652,41886157564,611902123284,9007199254740,
 133439988963012,1987795697598012,
 29752813022112180,447193795726343004,
 6746237832670921768,102105221251235572188]