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A053779 Sum of first n composite numbers is palindromic. 2
1, 22, 24, 167, 202, 226, 1443, 2380, 3190, 3952, 4220, 16827, 26304, 37612, 40813, 213501, 376524, 1920079, 2061085, 2635057, 3463613, 4268588, 16513206, 68101132, 166428703, 207224360, 403784450, 421279478, 1384813481 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Sequence is 4 + 6 + 8 + 9 + 10 + 12 + ... + z. For values of z see A057959.

LINKS

Table of n, a(n) for n=1..29.

P. De Geest, Palindromic Sums

C. Rivera, PrimePuzzle 89

CROSSREFS

Cf. A002808, A002113, A053780.

Sequence in context: A181454 A155911 A061411 * A177734 A177055 A186780

Adjacent sequences:  A053776 A053777 A053778 * A053780 A053781 A053782

KEYWORD

base,nonn

AUTHOR

G. L. Honaker, Jr., Mar 29 2000

EXTENSIONS

More terms from G. L. Honaker, Jr., Mar 29 2000. Further terms added by Patrick De Geest, 11/2000.

STATUS

approved

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Last modified March 24 22:17 EDT 2017. Contains 284035 sequences.