A047986 Integers n such that A047988(n)=3.

173, 347, 823, 907, 1237, 1697, 2137, 2333, 2423, 2473, 2767, 2777, 3253, 3413, 3547, 3559, 3623, 3767, 4243, 4273, 4457, 4547, 4723, 5091, 5297, 5861, 6185, 6197, 6593, 6823, 6827, 6871, 7093, 7247, 7537, 7717, 7817, 7823, 7879, 8243

Offset

1,1

Links

David A. Corneth, Table of n, a(n) for n = 1..10000

Thomas Kantke, Das Spiel Minimum und die Zerlegung natürlicher Zahlen, Mathematische Unterhaltungen, Spectrum der Wissenschaft, April 1993, pp. 11-13.

Crossrefs

Cf. A047836, A047985, A047986, A047987, A047988.

Sequence in context: A142206 A343449 A142004 * A096703 A060332 A142022

Adjacent sequences: A047983 A047984 A047985 * A047987 A047988 A047989

Keyword

nonn

Author

Thomas Kantke (bytes.more(AT)ibm.net)

Extensions

More terms from David W. Wilson

Status

approved