# A026969 (b-file synthesized from sequence entry)
3 1
4 10
5 75
6 372
7 1796
8 7796
9 33352
10 138790
11 571995
12 2334558
13 9473195
14 38258984
15 153981400
16 618042736
17 2475405456
18 9897862062
19 39523226642
20 157650156506
21 628287555844
22 2502170730172
23 9959281642416
24 39622214018100
25 157575049910690
26 626477638980782
27 2490112612092175