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

1,2

Comments

Does the obvious pattern continue? - Vladeta Jovovic, Apr 07 2002

Links

Table of n, a(n) for n=1..20.

Crossrefs

Cf. A069661, A069662, A069663, A069664, A069665, A069666, A069667, A069668, A069669, A069670.

Sequence in context: A363310 A051582 A122420 * A138445 A138496 A111482

Adjacent sequences: A069668 A069669 A069670 * A069672 A069673 A069674

Keyword

nonn,base

Author

Amarnath Murthy, Apr 06 2002

Extensions

More terms from Vladeta Jovovic, Apr 07 2002

More terms from Sean A. Irvine, May 12 2024

Status

approved