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

Offset: 0

Author

Patrick De Geest, Sep 15 1998

Keywords

• nonn
• base

Links

• Harvey P. Dale, Table of n, a(n) for n = 0..1000
• P. De Geest, World!Of Numbers

Crossrefs

Cf. A002113, A007504, A046485.

Programs

Mathematica

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