# A138448 (b-file synthesized from sequence entry)
1 4
2 48
3 1040
4 7840
5 118096
6 321776
7 1609152
8 3136368
9 9869024
10 39654832
11 59166848
12 171048336
13 316673504
14 421424080
15 718614208
16 1477623888
17 2812035344
18 3434691376
19 6030558512
20 8540018592
21 10088948064
22 16205829952
23 21796024432