A054267 Sum of composite numbers between prime p and nextprime(p) is palindromic with restriction 'p + 1 <> sum'.

109, 193, 509, 661, 1439, 3433, 3889, 3967, 4549, 6661, 7001, 8467, 10099, 17203, 18583, 24847, 25117, 26497, 29587, 30497, 31307, 47569, 47869, 49789, 53939, 54139, 66361, 67061, 70901, 71011, 102199, 132229, 158269, 171179, 185699

Offset

0,1

Links

Table of n, a(n) for n=0..34.

Example

a(4)=661 since between 661 and next prime 673 we get the palindromic sum 662 + 663 + 664 + 665 + 666 + 667 + 668 + 669 + 670 + 671 + 672 = 7337.

Crossrefs

Cf. A046933, A054264, A054265, A054266, A054268.

Sequence in context: A142945 A142079 A142224 * A142301 A060978 A061879

Adjacent sequences: A054264 A054265 A054266 * A054268 A054269 A054270

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 2000

Status

approved