A070564 Partial sums of A070563.

0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16

Offset

0,5

Links

Amiram Eldar, Table of n, a(n) for n = 0..10000

Pieter Moree and Herman J.J. te Riele, The hexagonal versus the square lattice, Math. Comp., Vol. 73, No. 245 (2004), 451-473.

Mathematica

Accumulate[Table[Boole[!Divisible[RamanujanTau[n], 3]], {n, 0 , 100}]] (* Amiram Eldar, Jan 10 2025 *)

Crossrefs

Cf. A000594, A070563.

Sequence in context: A276611 A238598 A156684 * A072358 A074795 A069577

Adjacent sequences: A070561 A070562 A070563 * A070565 A070566 A070567

Keyword

nonn

Author

N. J. A. Sloane, May 07 2002

Status

approved