Psibonacci numbers: solutions n of the equation psi(n) = psi(n-1) + psi(n-2), where psi is the Dedekind psi function (A001615).

A291126

Psibonacci numbers: solutions n of the equation psi(n) = psi(n-1) + psi(n-2), where psi is the Dedekind psi function (A001615).

Terms

    a(0) =3a(1) =6a(2) =210a(3) =88200a(4) =101970a(5) =193290a(6) =289680a(7) =993990a(8) =11264550a(9) =59068230a(10) =72776970a(11) =98746230a(12) =122460690a(13) =126500910a(14) =132766770a(15) =234150930a(16) =514442214a(17) =531391650a(18) =638082390a(19) =650428020a(20) =790769790a(21) =1249160790a(22) =3727074450a(23) =4775972850a(24) =8299675650a(25) =9530202210

External references