A214328 Intersection of A004214 and A018825.

1, 4, 7, 15, 16, 23, 28, 31, 39, 47, 55, 60, 63, 64, 71, 79, 87, 92, 95, 103, 111, 112, 119, 124, 127, 135, 143, 151, 156, 159, 167, 175, 183, 188, 191, 199, 207, 215, 220, 223, 231, 239, 240, 247, 252, 255, 256, 263, 271, 279, 284, 287, 295, 303, 311, 316, 319, 327, 335, 343, 348, 351, 359, 367, 368, 375, 380, 383, 391, 399, 407, 412, 415, 423, 431, 439

Offset

1,2

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Formula

a(n) ~ 6 * n. - Bill McEachen, Mar 24 2024

Crossrefs

Cf. A000408, A004214, A000404, A018825, A214329.

Sequence in context: A240266 A064961 A137053 * A310921 A310922 A310923

Adjacent sequences: A214325 A214326 A214327 * A214329 A214330 A214331

Keyword

nonn

Author

N. J. A. Sloane, Jul 26 2012, following a suggestion from Hans Isdahl, Apr 19 2012

Status

approved