

A100667


Triangle read by rows: First row is special; for n > 1, nth row consists of n distinct primes whose sum is n^3. Take the lexicographically earliest solution for each row.


3



1, 3, 5, 3, 5, 19, 3, 5, 13, 43, 3, 5, 7, 13, 97, 3, 5, 7, 11, 17, 173, 3, 5, 7, 11, 13, 23, 281, 3, 5, 7, 11, 13, 17, 23, 433, 3, 5, 7, 11, 13, 17, 19, 23, 631, 3, 5, 7, 11, 13, 17, 19, 23, 43, 859, 3, 5, 7, 11, 13, 17, 19, 23, 29, 41, 1163, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 47, 1523
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OFFSET

1,2


LINKS

Table of n, a(n) for n=1..78.


EXAMPLE

Triangle begins:
1
3,5
3,5,19
3,5,13,43
3,5,7,13,97
3,5,7,11,17,173
3,5,7,11,13,23,281
3,5,7,11,13,17,23,433
3,5,7,11,13,17,19,23,631
3,5,7,11,13,17,19,23,43,859
3,5,7,11,13,17,19,23,29,41,1163
3,5,7,11,13,17,19,23,29,31,47,1523


CROSSREFS

Cf. A101245, A101326.
Sequence in context: A253398 A151568 A134429 * A286108 A096438 A299418
Adjacent sequences: A100664 A100665 A100666 * A100668 A100669 A100670


KEYWORD

nonn,tabl


AUTHOR

Giovanni Teofilatto, Dec 05 2004 and Dec 12 2004


EXTENSIONS

Corrected by Ray Chandler, Jan 25 2005


STATUS

approved



