# A007311 (b-file synthesized from sequence entry)
1 1
2 -2
3 3
4 -5
5 7
6 -14
7 11
8 -66
9 -127
10 -992
11 -5029
12 -30899
13 -193321
14 -1285300
15 -8942561
16 -65113125
17 -494605857
18 -3911658640
19 -32145949441
20 -274036507173
21 -2419502677445
22 -22093077575496
23 -208364964369913
24 -2027216779571754
25 -20323053380033763
26 -209715614081160850