A064492 Start of n-th segment of Recamán's sequence R(m) (A005132): values of n where the change in the fractional parts of successive values of R(n)/n is positive.

1, 2, 4, 7, 12, 22, 40, 77, 135, 249, 454, 845, 1521, 2753, 5046, 9318, 17224, 31222, 57072, 99742, 181694, 328256, 589933, 1034839, 1788538, 3225919, 5784586, 10212211, 18399785, 32148795, 58056876, 101769230, 173395920, 302890749, 511561221, 904036925, 1610187039, 2789150424, 4910758398, 8416580355, 13808215356, 23006557539, 39488697701, 65854567303, 107078836274, 188471115227, 325374626149, 535755688022, 872467803894, 1404720439054, 2402964238974, 3883018238330, 6283167591180, 10125357598983, 16166305650061, 25735985498862, 40806937801473, 64628644387495, 102481019573338, 159888464280047, 250759470174414, 394178473635589, 599819882554936, 939455761022725

Offset

1,2

Links

Table of n, a(n) for n=1..64.

Index entries for sequences related to Recamán's sequence

Crossrefs

Cf. A005132, A064288, A064289, A064292, A064293. This sequence and A064294 keep pretty close together.

See A065038 for the corresponding values of R(n). See also A065053 for first differences.

Sequence in context: A254685 A002573 A288317 * A000072 A268306 A018179

Adjacent sequences: A064489 A064490 A064491 * A064493 A064494 A064495

Keyword

nonn

Author

John W. Layman, Oct 04 2001

Extensions

More terms from John W. Layman and N. J. A. Sloane, Oct 12 2001

Extended to 10^15 by Allan Wilks, Nov 06 2001

Status

approved