Numbers that can be written as (k + sum of digits of k) for some k, then as (m + product of digits of m) for some m, also as (q * product of digits of q) for some q, and finally as (t * sum of digits of t) for some t.
A337839
Numbers that can be written as (k + sum of digits of k) for some k, then as (m + product of digits of m) for some m, also as (q * product of digits of q) for some q, and finally as (t * sum of digits of t) for some t.
Terms
- a(0) =4a(1) =16a(2) =81a(3) =88a(4) =144a(5) =250a(6) =520a(7) =900a(8) =1008a(9) =1053a(10) =1134a(11) =2025a(12) =2304a(13) =2655a(14) =3726a(15) =4680a(16) =6408a(17) =6624a(18) =9928a(19) =12024a(20) =12150a(21) =12510a(22) =13608a(23) =14256a(24) =15480a(25) =16408a(26) =17128a(27) =17172a(28) =18304a(29) =19152
External references
- oeis: A337839