Starts of runs of 3 consecutive integers that are all terms in A381581.

Terms

a(0) =1a(1) =2a(2) =20a(3) =55a(4) =56a(5) =110a(6) =304a(7) =364a(8) =398a(9) =846a(10) =1024a(11) =1084a(12) =1744a(13) =1854a(14) =2044a(15) =2104a(16) =2105a(17) =2527a(18) =2824a(19) =2862a(20) =3870a(21) =4374a(22) =5222a(23) =5223a(24) =5243a(25) =5718a(26) =5928a(27) =6488a(28) =6784a(29) =6844