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A371677 as a simple table

na(n)
01
14
248
3772
414256
5285380
66023552
7131991940
82974096544
968475379204
101603913377040
1138099316926340
12915619571011024
1322222175033464260
14543894269096547296
1513409307961403740420
16332707806061304185408
178301493488646359256580

[1,4,48,772,14256,285380,6023552,131991940,
 2974096544,68475379204,1603913377040,
 38099316926340,915619571011024,22222175033464260,
 543894269096547296,13409307961403740420,
 332707806061304185408,8301493488646359256580]