# A008510 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 11 5 77 6 363 7 1111 8 2662 9 111111 10 246642 11 11111111 12 363474363 13 2664444662 14 26644444662 15 246644446642 16 266444444662 17 2466444446642 18 3654345456545434563