A046489 - OEIS

A046489

Sum of the first n palindromes (A002113).

1, 3, 6, 10, 15, 21, 28, 36, 45, 56, 78, 111, 155, 210, 276, 353, 441, 540, 641, 752, 873, 1004, 1145, 1296, 1457, 1628, 1809, 2000, 2202, 2414, 2636, 2868, 3110, 3362, 3624, 3896, 4178, 4470, 4773, 5086, 5409, 5742, 6085, 6438, 6801, 7174, 7557, 7950, 8354

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..1000

P. De Geest, World!Of Numbers

MATHEMATICA

palQ[n_] := Reverse[x = IntegerDigits[n]] == x; Accumulate[Select[Range[410], palQ]] (* Jayanta Basu, Jun 26 2013 *)

CROSSREFS

Cf. A002113, A007504, A046485.

Sequence in context: A119663 A025715 A165145 * A277209 A361751 A089717

Adjacent sequences: A046486 A046487 A046488 * A046490 A046491 A046492

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1998

STATUS

approved