Numbers n such that n = pi(n) + uphi(n), where pi = A000720, uphi = A047994.

Terms

a(0) =2a(1) =20a(2) =35a(3) =40a(4) =44a(5) =215a(6) =235a(7) =245a(8) =2611a(9) =23319a(10) =26288a(11) =65113a(12) =174647a(13) =318544a(14) =1301317a(15) =1302509a(16) =1919376a(17) =3719225a(18) =5021647a(19) =10885081a(20) =36319939a(21) =49172608a(22) =70112131a(23) =70113559a(24) =325575773a(25) =514258883a(26) =742327529a(27) =1069238453