# A152921 (b-file synthesized from sequence entry) 1 4 2 16 3 256 4 4096 5 16777216 6 4294967296 7 68719476736 8 1152921504606846976 9 1329227995784915872903807060280344576 10 95780971304118053647396689196894323976171195136475136 11 6582018229284824168619876730229402019930943462534319453394436096