# A005698 (b-file synthesized from sequence entry) 1 7 2 29 3 57 4 227 5 455 6 1821 7 3641 8 14563 9 29127 10 116509 11 233017 12 932067 13 1864135 14 7456541 15 14913081 16 59652323 17 119304647 18 477218589 19 954437177 20 3817748707 21 7635497415 22 30541989661 23 61083979321 24 244335917283 25 488671834567 26 1954687338269