# A252296 (b-file synthesized from sequence entry) 1 5 2 13 3 21 4 34 5 55 6 144 7 610 8 2584 9 6765 10 10946 11 46368 12 196418 13 832040 14 14930352 15 267914296 16 1134903170 17 4807526976 18 365435296162 19 1548008755920 20 117669030460994 21 498454011879264 22 2111485077978050 23 160500643816367088 24 12200160415121876738 25 51680708854858323072