A293699 First differences of A293751.

3, 19, 3, 19, 3, 19, 3, 3, 16, 3, 3, 16, 3, 3, 16, 3, 3, 16, 3, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 3, 16, 3, 3, 16, 3, 3, 16, 3, 3, 16, 3, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3, 19, 3

Offset: 1

Author

V.J. Pohjola, Oct 16 2017

Keywords

• nonn

Comments

Sequence seems to be composed of three different integers 3, 16 and 19. Further comments in A293700.

Crossrefs

Cf. A293751, A293698, A293700, A293702, A293705, A293701, A293704.

Programs

Mathematica

rootsn = Flatten[Position[Table[Floor[Tan[-n]], {n, 1, 10^6}], 1]];
difn = Differences[rootsn];