# A067583 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 243 5 128 6 177147 7 32768 8 129140163 9 94143178827 10 2147483648 11 50031545098999707 12 26588814358957503287787 13 19383245667680019896796723 14 9223372036854775808 15 7509466514979724803946715958257547