Final number of terms obtained with Euler's recurrence formula when computing the sum of divisors of n.

A190138

Final number of terms obtained with Euler's recurrence formula when computing the sum of divisors of n.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =15a(6) =27a(7) =46a(8) =80a(9) =138a(10) =238a(11) =413a(12) =713a(13) =1235a(14) =2136a(15) =3695a(16) =6393a(17) =11057a(18) =19130a(19) =33091a(20) =57246a(21) =99032a(22) =171315a(23) =296365a(24) =512682a(25) =886902a(26) =1534266a(27) =2654154a(28) =4591475a(29) =7942870

External references