First of triples of consecutive happy numbers, i.e., the first of three consecutive integers each of which is a happy number (A007770).

A072494

First of triples of consecutive happy numbers, i.e., the first of three consecutive integers each of which is a happy number (A007770).

Terms

    a(0) =1880a(1) =4780a(2) =4870a(3) =7480a(4) =7839a(5) =7840a(6) =8180a(7) =8470a(8) =8739a(9) =8740a(10) =8810a(11) =10880a(12) =11248a(13) =11249a(14) =11519a(15) =12148a(16) =12149a(17) =13898a(18) =15119a(19) =18080a(20) =18800a(21) =21148a(22) =21149a(23) =23308a(24) =25680a(25) =25860a(26) =26580a(27) =26850a(28) =28560a(29) =28650

External references