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

Author

John W. Layman, Oct 04 2001

Keywords

• nonn

Links

• 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.

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