Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly one way.
A076454
Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly one way.
Terms
- a(0) =1a(1) =21a(2) =102a(3) =310a(4) =735a(5) =1491a(6) =2716a(7) =4572a(8) =7245a(9) =10945a(10) =15906a(11) =22386a(12) =30667a(13) =41055a(14) =53880a(15) =69496a(16) =88281a(17) =110637a(18) =136990a(19) =167790a(20) =203511a(21) =244651a(22) =291732a(23) =345300a(24) =405925a(25) =474201a(26) =550746a(27) =636202a(28) =731235a(29) =836535
External references
- oeis: A076454