# A013500 (b-file synthesized from sequence entry)
0 0
1 -1
2 1
3 2
4 9
5 7
6 -3
7 -593
8 -1554
9 -11125
10 167725
11 778307
12 16757708
13 -89177255
14 -119165473
15 -33154669351
16 100077477488
17 -2532930861593
18 104388972197833
19 -390031832553017
20 23726173002432588
21 -516211740521004739
22 4636274532540279299
23 -240069627985237851811
24 4178391586103026282384
25 -78940184342962927515381