A185383 a(n) is the denominator of the fraction |n^2/A049417(n)-A064380(n)|.

3, 4, 5, 6, 1, 8, 15, 10, 9, 12, 5, 14, 6, 8, 17, 18, 5, 20, 3, 32, 9, 24, 5, 26, 21, 40, 5, 30, 2, 32, 51, 16, 27, 48, 25, 38, 15, 56, 9, 42, 8, 44, 15, 4, 18, 48, 17, 50, 39, 8, 35, 54, 10, 72, 15, 80, 45, 60, 1, 62, 24, 80, 85, 84, 4, 68, 45, 32, 36, 72, 25, 74, 57

Offset

2,1

Comments

If A185373(n)=0, then we accept a(n)=1.

Links

Amiram Eldar, Table of n, a(n) for n = 2..10000

Formula

a(n)=n+1 iff n is in A050376.

Crossrefs

Cf. A185373, A064380, A049417, A050376.

Sequence in context: A369493 A365796 A202819 * A004484 A332882 A176210

Adjacent sequences: A185380 A185381 A185382 * A185384 A185385 A185386

Keyword

nonn,frac,look

Author

Vladimir Shevelev, Feb 17 2011

Extensions

a(73) corrected by Amiram Eldar, Sep 18 2019

Status

approved