# A090364 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 13 4 79 5 633 6 6363 7 77301 8 1102791 9 18070705 10 334337203 11 6890754093 12 156506187679 13 3882859101289 14 104459523189387 15 3028574143010661 16 94129826448658551 17 3121967981131094049 18 110053554178639814499