A338285 a(n) = Sum_{k = n+1-A338283(n)..n} A338283(n).

1, 3, 4, 7, 5, 8, 12, 6, 9, 13, 10, 14, 15, 11, 19, 16, 21, 18, 17, 22, 23, 29, 20, 25, 31, 26, 32, 27, 33, 34, 28, 40, 35, 36, 43, 37, 30, 44, 52, 24, 51, 38, 39, 46, 54, 41, 48, 47, 55, 42, 49, 57, 50, 58, 59, 60, 45, 67, 53, 61, 62, 71, 63, 56, 64, 73, 65

Offset

1,2

Comments

Will every integer, except 2, appear in this sequence?

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, Colored scatterplot of the first 10000 terms (where the color is function of A338283(n))

Rémy Sigrist, PARI program for A338285

Example

A338283(4) = 3, so a(4) = A338283(2) + A338283(3) + A338283(4) = 2 + 2 + 3 = 7.

Prog

(PARI) See Links section.

Crossrefs

Cf. A338283.

Sequence in context: A388627 A163830 A254931 * A050197 A003975 A385137

Adjacent sequences: A338282 A338283 A338284 * A338286 A338287 A338288

Keyword

nonn

Author

Rémy Sigrist, Oct 20 2020

Status

approved