Smallest n-digit triangular number with minimum digit sum.
A069671
Smallest n-digit triangular number with minimum digit sum.
Terms
- a(0) =1a(1) =10a(2) =120a(3) =2211a(4) =10011a(5) =112101a(6) =2001000a(7) =10006101a(8) =200010000a(9) =1210000221a(10) =20000100000a(11) =210010000005
External references
- oeis: A069671