# A339634 (b-file synthesized from sequence entry) 0 3 1 16 2 30 3 72 4 178 5 444 6 1114 7 2808 8 7098 9 17984 10 45656 11 116106 12 295718 13 754226 14 1926060 15 4924188 16 12602416 17 32284214 18 82777240 19 212415744 20 545495716 21 1401849594 22 3604921774 23 9275890122 24 23881602058 25 61518226734 26 158548607640 27 408814563524 28 1054590179342