A100667 Triangle read by rows: First row is special; for n > 1, n-th row consists of n distinct primes whose sum is n^3. Take the lexicographically earliest solution for each row.

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

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 * A329736 A324086 A286108

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