[Konrad]

j=1 s=0,1667 (1*(1+1)*(1+2))=6
j=2 s=-0,0417 (2*(2+1)*(2+2))=24
j=3 s=0,0167 (3*(3+1)*(3+2))=60
j=4 s=-0,0083 (4*(4+1)*(4+2))=120
j=5 s=0,0048 (5*(5+1)*(5+2))=210
j=6 s=-0,003 (6*(6+1)*(6+2))=336
j=7 s=0,002 (7*(7+1)*(7+2))=504
j=8 s=-0,0014 (8*(8+1)*(8+2))=720
j=9 s=0,001 (9*(9+1)*(9+2))=990
j=10 s=-0,0008 (10*(10+1)*(10+2))=1320
j=11 s=0,0006 (11*(11+1)*(11+2))=1716
j=12 s=-0,0005 (12*(12+1)*(12+2))=2184
j=13 s=0,0004 (13*(13+1)*(13+2))=2730
j=14 s=-0,0003 (14*(14+1)*(14+2))=3360
j=15 s=0,0002 (15*(15+1)*(15+2))=4080
j=16 s=-0,0002 (16*(16+1)*(16+2))=4896
j=17 s=0,0002 (17*(17+1)*(17+2))=5814
j=18 s=-0,0001 (18*(18+1)*(18+2))=6840
j=19 s=0,0001 (19*(19+1)*(19+2))=7980
j=20 s=-0,0001 (20*(20+1)*(20+2))=9240
j=21 s=0,0001 (21*(21+1)*(21+2))=10626
S= 0,1363


S= 0,13629436