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A047985
Integers n such that A047988(n)=2.
6
19, 29, 38, 43, 53, 58, 67, 76, 86, 87, 89, 101, 103, 106, 116, 134, 137, 139, 149, 151, 152, 157, 163, 172, 174, 178, 197, 202, 203, 206, 211, 212, 227, 229, 232, 233, 247, 261, 267, 268, 269, 271, 274, 277, 278, 283, 293, 298, 302, 303, 304, 307
OFFSET
1,1
LINKS
Thomas Kantke, Das Spiel Minimum und die Zerlegung natürlicher Zahlen, Mathematische Unterhaltungen, Spectrum der Wissenschaft, April 1993, pp. 11-13.
EXAMPLE
19 has value 2 since by adding 1 we reach 20 which has value 1; there is no cheaper way to reach 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Thomas Kantke (bytes.more(AT)ibm.net)
EXTENSIONS
More terms from David W. Wilson
STATUS
approved