A216952 a(n) = A216951(n)/2.

1, 1, 1, 2, 1, 4, 1, 5, 4, 7, 1, 20, 1, 20, 16, 44, 1, 96, 1, 162, 50, 282, 1, 678, 16, 1113, 185, 2282, 1, 4828, 1, 8972, 725, 17712, 76, 37091, 1, 70814, 2887, 142171, 1, 289011, 1, 567259, 11788, 1132697, 1, 2290234, 64, 4531140, 46118, 9064813, 1, 18214781

Offset

1,4

Links

Amiram Eldar, Table of n, a(n) for n = 1..120 (calculated using the b-file at A216951)

Benjamin Chaffin, John P. Linderman, N. J. A. Sloane, and Allan R. Wilks, On Curling Numbers of Integer Sequences, arXiv:1212.6102 [math.CO], 2012-2013.

Benjamin Chaffin, John P. Linderman, N. J. A. Sloane, and Allan R. Wilks, On Curling Numbers of Integer Sequences, Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.3.

Crossrefs

Cf. A216951.

Sequence in context: A298971 A328602 A218970 * A114326 A308175 A241423

Adjacent sequences: A216949 A216950 A216951 * A216953 A216954 A216955

Keyword

nonn

Author

N. J. A. Sloane, Sep 24 2012

Extensions

More terms added using the data at A216951 by Amiram Eldar, May 06 2024

Status

approved