# A097708 (b-file synthesized from sequence entry) 0 0 1 11 2 122 3 11233 4 1122344 5 11112233455 6 1122223344566 7 11112233334455677 8 1122223344445566788 9 11112233334455556677899 10 11111122223344445566667789010 11 1122222233334455556677778900121