Starts of runs of 4 consecutive integers that are all terms in A381581.

Terms

a(0) =1a(1) =55a(2) =2104a(3) =5222a(4) =24784a(5) =63510a(6) =64264a(7) =69487a(8) =95463a(9) =121393a(10) =184327a(11) =327303a(12) =374589a(13) =463110a(14) =468168a(15) =561069a(16) =572550a(17) =596868a(18) =671407a(19) =740310a(20) =759030a(21) =819948a(22) =902670a(23) =956680a(24) =1023009a(25) =1036230a(26) =1065030a(27) =1259817a(28) =1274910a(29) =1359552