Set m = 0, n = 1. Find smallest k >= 2 such that pi(k) = (k-pi(k)) - (m-pi(m)); set a(n) = pi(k), m = k, n = n+1. Repeat.
A131872
Set m = 0, n = 1. Find smallest k >= 2 such that pi(k) = (k-pi(k)) - (m-pi(m)); set a(n) = pi(k), m = k, n = n+1. Repeat.
Terms
- a(0) =1a(1) =4a(2) =8a(3) =11a(4) =16a(5) =23a(6) =30a(7) =39a(8) =50a(9) =62a(10) =78a(11) =97a(12) =119a(13) =141a(14) =172a(15) =205a(16) =242a(17) =284a(18) =334a(19) =393a(20) =455a(21) =531a(22) =615a(23) =704a(24) =811a(25) =928a(26) =1059a(27) =1213a(28) =1373a(29) =1560
External references
- oeis: A131872