Engel expansion of Mertens's constant (A077761).

Terms

a(0) =4a(1) =22a(2) =86a(3) =92a(4) =292a(5) =904a(6) =1515a(7) =1975a(8) =4933a(9) =19252a(10) =23400a(11) =28026a(12) =43044a(13) =48399a(14) =82292a(15) =238773a(16) =18642549a(17) =28116059a(18) =47720584a(19) =1582947265a(20) =1616934502a(21) =17082390754a(22) =98630202120a(23) =163918621174a(24) =736646478316