# A157164 (b-file synthesized from sequence entry)
1 1
2 -1
3 -1
4 -8
5 -16
6 -74
7 -526
8 -6768
9 -30024
10 -291072
11 -2805408
12 -29134896
13 -374664720
14 -5276228736
15 -67692115440
16 -1404936248064
17 -16610113920768
18 -301439595923712
19 -5110200130727808
20 -103584959322338304