n times pi(n) is made of nontrivial runs of identical digits, where pi(n)=A000720(n).

Terms

a(0) =11a(1) =37a(2) =66a(3) =154a(4) =332a(5) =750a(6) =1696a(7) =4000a(8) =13684a(9) =22308a(10) =26640a(11) =26653a(12) =30327a(13) =47109a(14) =57941a(15) =67127a(16) =82168a(17) =111438a(18) =112525a(19) =193501a(20) =222553a(21) =250000a(22) =340019a(23) =362725a(24) =522015a(25) =644487a(26) =739552a(27) =836750a(28) =1204350a(29) =1216138