Numbers k such that the sum of the numbers from 1 to k and that from 1 to k+1 share the same sum of divisors.
A375819
Numbers k such that the sum of the numbers from 1 to k and that from 1 to k+1 share the same sum of divisors.
Terms
- a(0) =28a(1) =33a(2) =412a(3) =1914a(4) =2668a(5) =2728a(6) =2913a(7) =3268a(8) =4187a(9) =5370a(10) =5948a(11) =7169a(12) =8728a(13) =9359a(14) =12565a(15) =15085a(16) =21461a(17) =24881a(18) =25019a(19) =26609a(20) =29682a(21) =37746a(22) =38716a(23) =40290a(24) =46863a(25) =49225a(26) =49914a(27) =51835a(28) =53963a(29) =59987
External references
- oeis: A375819