Numbers k such that both k and k+1 are infinitary abundant numbers (A129656).

Terms

a(0) =21735a(1) =21944a(2) =43064a(3) =58695a(4) =188055a(5) =262184a(6) =414855a(7) =520695a(8) =567944a(9) =611415a(10) =687015a(11) =764504a(12) =792855a(13) =809864a(14) =812889a(15) =833624a(16) =874664a(17) =911624a(18) =945944a(19) =976184a(20) =991304a(21) =1019655a(22) =1026375a(23) =1065015a(24) =1073709a(25) =1157624a(26) =1201095a(27) =1218944a(28) =1248344a(29) =1254015