A069671 Smallest n-digit triangular number with minimum digit sum.
1, 10, 120, 2211, 10011, 112101, 2001000, 10006101, 200010000, 1210000221, 20000100000, 210010000005, 2000001000000, 32000004000000, 200000010000000, 3200000040000000, 20000000100000000, 320000000400000000, 2000000001000000000, 32000000004000000000
Offset: 1
Crossrefs
Extensions
More terms from Vladeta Jovovic, Apr 07 2002
More terms from Sean A. Irvine, May 12 2024
Comments