Numbers k such that phi(k+1) - phi(k) = -d(k).

Terms

a(0) =5a(1) =7a(2) =33a(3) =135a(4) =231a(5) =273a(6) =435a(7) =465a(8) =824a(9) =6375a(10) =17115a(11) =33704a(12) =86355a(13) =207315a(14) =469395a(15) =603585a(16) =23211885a(17) =37095465a(18) =101216505a(19) =107127111a(20) =124471215a(21) =255080415a(22) =367016055a(23) =1810565025a(24) =4299030465a(25) =64401749955