Infinitary aliquot sequence starting at 840: a(1) = 840, a(n) = A126168(a(n-1)), for n >= 2.

A361421

Infinitary aliquot sequence starting at 840: a(1) = 840, a(n) = A126168(a(n-1)), for n >= 2.

Terms

    a(0) =840a(1) =2040a(2) =4440a(3) =9240a(4) =25320a(5) =51000a(6) =117480a(7) =271320a(8) =765480a(9) =1531320a(10) =3721800a(11) =5956440a(12) =12295560a(13) =25086840a(14) =54141960a(15) =108284280a(16) =250301640a(17) =502213560a(18) =1007626440a(19) =2017856760a(20) =4039750920a(21) =8079502200a(22) =19596145800a(23) =44369345400a(24) =71495068200a(25) =115576350360a(26) =231152701080

External references