A330314 Running totals in A330313.

1, 4, 2, 13, 20, 16, 10, 2, 23, 28, 16, 2, 91, 100, 82, 56, 40, 20, 10, 23, 40, 16, 91, 130, 100, 68, 91, 142, 173, 151, 194, 160, 112, 68, 40, 4, 23, 52, 10, 91, 23, 56, 91, 160, 100, 28, 91, 164, 112, 56, 16, 121, 182, 112, 28, 121, 212, 130, 80, 121, 23, 68, 121, 224, 160, 82, 28, 151, 23

Offset

1,2

Comments

By construction this is always >= 0 and a palindrome in base 3.

a(n) = a(n-1) +- A330313(n), using - if A330313(n) is even and otherwise +.

Links

Rémy Sigrist, Table of n, a(n) for n = 1..50000 (first 1000 terms from N. J. A. Sloane)

Rémy Sigrist, Scatterplot of the first 1000000 terms

Crossrefs

Cf. A330313; A329544, A329796.

Sequence in context: A096034 A193849 A064308 * A255044 A248249 A161134

Adjacent sequences: A330311 A330312 A330313 * A330315 A330316 A330317

Keyword

nonn,look,base

Author

N. J. A. Sloane, Dec 11 2019

Status

approved