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A043262 Sum of digits of n-th base 3 palindrome. 0
0, 1, 2, 2, 4, 2, 3, 4, 4, 5, 6, 2, 4, 6, 4, 6, 8, 2, 3, 4, 4, 5, 6, 6, 7, 8, 4, 5, 6, 6, 7, 8, 8, 9, 10, 2, 4, 6, 4, 6, 8, 6, 8, 10, 4, 6, 8, 6, 8, 10, 8, 10, 12, 2, 3, 4, 4, 5, 6, 6, 7, 8, 4, 5, 6, 6, 7, 8, 8, 9, 10, 6, 7, 8, 8, 9, 10, 10, 11, 12, 4, 5, 6, 6, 7, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..86.

MATHEMATICA

Total/@Select[IntegerDigits[Range[0, 2000], 3], #==Reverse[#]&] (* Harvey P. Dale, Aug 08 2019 *)

CROSSREFS

Cf. A014190 (base 3 palindromes)

Sequence in context: A135714 A103274 A046820 * A130860 A161535 A138785

Adjacent sequences:  A043259 A043260 A043261 * A043263 A043264 A043265

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 6 19:30 EST 2021. Contains 349567 sequences. (Running on oeis4.)