A213220 Positions in A114183 where doubling runs begin.

1, 7, 9, 15, 23, 26, 31, 34, 41, 47, 52, 57, 63, 68, 76, 82, 88, 95, 100, 106, 110, 118, 124, 133, 139, 145, 152, 159, 167, 174, 184, 191, 197, 204, 209, 218, 224, 236, 243, 252, 261, 270, 276, 284, 291, 299, 307, 319, 326, 334, 340, 348, 355, 363, 370, 377, 384, 391, 397, 405, 415, 423, 431, 440, 447, 454, 462, 472

Offset

1,2

Links

N. J. A. Sloane, Table of n, a(n) for n = 1..7328

Crossrefs

Cf. A114183, A221715, A221716 (first differences).

Sequence in context: A111312 A357500 A158891 * A087680 A371303 A249333

Adjacent sequences: A213217 A213218 A213219 * A213221 A213222 A213223

Keyword

nonn

Author

N. J. A. Sloane, Mar 02 2013

Status

approved