# A134817 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 21 12 43 13 87 14 175 15 526 16 1579 17 6317 18 25269 19 126346 20 758077 21 4548463 22 31839242 23 254713937 24 2292425434 25 22924254341 26 252166797752 27 3026001573025 28 39338020449326 29 550732286290565 30 8260984294358476