A186777 Solutions x of the equation A064380(x)-A000010(x)=1 in integers x>=2.

4, 6, 10, 15, 35, 77, 91, 143, 187, 209, 221, 247, 299, 323, 391, 437, 493, 527, 551, 589, 667, 703, 713, 851, 899, 943, 989, 1073, 1147, 1189, 1247, 1271, 1333, 1363, 1457, 1517, 1537, 1591, 1643, 1739, 1763, 1829, 1891, 1927, 1961, 2021, 2173, 2183, 2257, 2279

Offset

1,1

Comments

The defining equation has infinitely many solutions.

Equals {4, 6, 10} UNION A082663. - Eric M. Schmidt, Oct 04 2013

References

V. S. Shevelev, Multiplicative functions in the Fermi-Dirac arithmetic, Izvestia Vuzov of the North-Caucasus region, Nature sciences 4 (1996), 28-43.

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Eric M. Schmidt, The Near Equivalence of A082663 and A186777

Crossrefs

Cf. A000010, A064380, A082663, A176472, A176509.

Sequence in context: A339115 A217836 A215232 * A028282 A200570 A024905

Adjacent sequences: A186774 A186775 A186776 * A186778 A186779 A186780

Keyword

nonn

Author

Vladimir Shevelev, Feb 26 2011

Extensions

More terms from Amiram Eldar, Sep 14 2019

Status

approved