A045760 Smallest Maris-McGwire k-tuple (k>1) for each k: f(n) = f(n+1) = ... = f(n+k-1), where f is defined in comments.

7, 212, 8126, 241995, 3539990, 1330820, 12222533493, 3249880870

Offset: 2

Author

Mike Keith

Keywords

• nonn
• more
• base

Comments

A045759 generalizes to k consecutive integers that all have the same value of f(n), where f(n) = sum of digits of n plus sum of digits in prime factors of n. The sequence shows the integer which starts the smallest set of k (and no more than k) consecutive integers having this property.

Links

• H. Havermann, Maris-McGwire-Sosa 7-tuples, 8-tuples and 9-tuples

Crossrefs

Cf. A045759, A006145.

Extensions

Two more terms from Hans Havermann, Dec 13 2000

Offset changed to 2 by Hans Havermann, Jun 22 2014