# A162700 (b-file synthesized from sequence entry) 1 48 2 3468 3 10101 4 16128 5 34188 6 140400 7 190476 8 216513 9 300625 10 334668 11 416768 12 484848 13 530901 14 2341548 15 2661653 16 16604400 17 33346668 18 59809776 19 101010101 20 3333466668 21 4848484848 22 4989086476 23 18516137328 24 30534177388 25 56734244853