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A330420
Running totals in A330401.
2
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
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
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Dec 14 2019
STATUS
approved