A145383 Indices in A050791 for the subsequence A141326.

1, 3, 6, 10, 13, 17, 20, 23, 30, 37, 38, 42, 44, 48, 51, 55, 58, 63, 68, 72, 73, 77, 83, 84, 87, 90, 94, 97, 99, 102, 106, 108, 111, 115, 121, 123, 125, 130, 133, 134, 136, 140, 142, 146, 150, 153, 156, 159, 164, 167, 169, 172

Offset

1,2

Comments

The first difference of this sequence is used to define the sequence A145384, which is of particular interest.

Links

Lewis Mammel, Table of n, a(n) for n = 1..122

Formula

The defining equation is A050791(a(n)) = A141326(n).

Crossrefs

Cf. A050791, values of z where 1+z^3 = x^3 + y^3.

Cf. A141326, a subsequence of A050791 defined by a simple formula.

Cf. A145384, a sequence based on the first difference of this sequence.

Sequence in context: A310053 A001952 A189795 * A258834 A329997 A194028

Adjacent sequences: A145380 A145381 A145382 * A145384 A145385 A145386

Keyword

easy,nonn,changed

Author

Lewis Mammel (l_mammel(AT)att.net), Oct 10 2008

Status

approved