Starts of runs of 3 consecutive Pell-Niven numbers (A352320).

Terms

a(0) =4a(1) =28a(2) =110a(3) =168a(4) =984a(5) =1024a(6) =3123a(7) =3514a(8) =5740a(9) =6783a(10) =6923a(11) =8584a(12) =12664a(13) =16744a(14) =18160a(15) =19670a(16) =23190a(17) =23470a(18) =24030a(19) =34503a(20) =34643a(21) =36304a(22) =40384a(23) =45880a(24) =47390a(25) =50910a(26) =51190a(27) =51750a(28) =57607a(29) =61640