# A087628 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 2 4 10 5 22 6 22 7 86 8 170 9 170 10 682 11 1366 12 1366 13 5462 14 10922 15 10922 16 43690 17 87382 18 87382 19 349526 20 699050 21 699050 22 2796202 23 5592406 24 5592406 25 22369622 26 44739242 27 44739242 28 178956970 29 357913942 30 357913942 31 1431655766 32 2863311530