# A162703 (b-file synthesized from sequence entry up to a(17))
# A162703 (b-file extended from a(18) to a(30) by Patrick De Geest)
1 1
2 4
3 15151
4 45154
5 66466
6 92629
7 98689
8 4976794
9 6424246
10 648616846
11 136287949782631
12 479573060375974
13 69465717171756496
14 4345218593958125434
15 42097537753535773579024
16 58071646151315164617085
17 6220959179720279719590226
18 458122911526080625119221854
19 10186132577729992777523168101
20 43573860089375957398006837534
21 49142688473378087337488624194
22 53777117257177277175271177735
23 68073865464678787646456837086
24 150627505282152151251282505726051
25 439039439963278626872369934930934
26 10268598046660363236306664089586201
27 1963966393925951835381595293936693691
28 4328202963294315983895134923692028234
29 115679661808916116404611619808166976511
30 471498650030810150303051018030056894174