# A177109 (b-file synthesized from sequence entry) 1 20 2 380 3 3980 4 39980 5 399980 6 3999980 7 39999980 8 399999980 9 3999999980 10 39999999980 11 399999999980 12 3999999999980 13 39999999999980 14 399999999999980 15 3999999999999980 16 39999999999999980 17 399999999999999980