# A193666 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 13 5 21 6 55 7 144 8 610 9 2584 10 10946 11 46368 12 75025 13 121393 14 317811 15 514229 16 1346269 17 2178309 18 5702887 19 9227465 20 14930352 21 63245986 22 267914296 23 1134903170 24 4807526976 25 20365011074 26 86267571272 27 365435296162 28 1548008755920 29 6557470319842 30 27777890035288