Starts of runs of 4 consecutive lazy-tribonacci-Niven numbers (A352107).

Terms

a(0) =1081455a(1) =1976895a(2) =2894175a(3) =5886255a(4) =6906912a(5) =15604110a(6) =16588752a(7) =19291479a(8) =20387232a(9) =25919439a(10) =32394942a(11) =34801557a(12) =35654175a(13) =36813582a(14) =36907899a(15) =39117219a(16) =41407392a(17) =43520832a(18) =46181055a(19) =47954499a(20) =52145952a(21) =54524319a(22) =54815397a(23) =56733639a(24) =57775102a(25) =58942959a(26) =59292177