A330420 Running totals in A330401.

0, 1, 3, 0, 4, 9, 3, 11, 4, 22, 11, 2, 22, 9, 33, 11, 1, 22, 8, 33, 7, 22, 6, 33, 5, 22, 3, 33, 4, 44, 11, 55, 9, 44, 8, 55, 7, 44, 6, 55, 5, 44, 3, 55, 4, 66, 111, 99, 131, 88, 111, 77, 131, 191, 222, 161, 232, 151, 88, 141, 99, 44, 101, 33, 99, 171, 101, 22

Offset

0,3

Comments

All terms are palindromes.

Links

Rémy Sigrist, Table of n, a(n) for n = 0..10000

Rémy Sigrist, PARI program for A330420

Formula

A330401(n) = abs(a(n) - a(n-1)).

Prog

(PARI) See Links section.

Crossrefs

Cf. A330401.

Sequence in context: A008344 A088230 A181482 * A072329 A068630 A374966

Adjacent sequences: A330417 A330418 A330419 * A330421 A330422 A330423

Keyword

nonn,base

Author

Rémy Sigrist, Dec 14 2019

Status

approved