# A011552 (b-file synthesized from sequence entry) 0 2 1 16 2 162 3 1618 4 16180 5 161803 6 1618034 7 16180340 8 161803399 9 1618033989 10 16180339887 11 161803398875 12 1618033988750 13 16180339887499 14 161803398874989 15 1618033988749895 16 16180339887498948