Engel expansion of gamma^2, (gamma is the Euler-Mascheroni constant A001620) = 0.333178.

Terms

a(0) =4a(1) =4a(2) =4a(3) =4a(4) =4a(5) =6a(6) =23a(7) =26a(8) =126a(9) =132a(10) =154a(11) =269a(12) =421a(13) =911a(14) =1899a(15) =7335a(16) =14245a(17) =34244a(18) =78354a(19) =173699a(20) =239896a(21) =247397a(22) =659900a(23) =1646344a(24) =2454988a(25) =6831657a(26) =65833355a(27) =839918922a(28) =1187969748a(29) =3583279448