A101245 - OEIS

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A101245

Triangle read by rows: n-th row consists of n distinct primes whose sum is n^2+n^3. Take the lexicographically earliest solution for each row.

2

2, 5, 7, 2, 3, 31, 3, 5, 11, 61, 2, 3, 5, 13, 127, 3, 5, 7, 11, 29, 197, 2, 3, 5, 7, 11, 17, 347, 3, 5, 7, 11, 13, 17, 29, 491, 2, 3, 5, 7, 11, 13, 17, 19, 733, 3, 5, 7, 11, 13, 17, 19, 23, 31, 971, 2, 3, 5, 7, 11, 13, 17, 19, 23, 31, 1321, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 47, 1667

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OFFSET

1,1

LINKS

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

EXAMPLE

Triangle begins:

2

5,7

2,3,31

3,5,11,61

2,3,5,13,127

3,5,7,11,29,197

2,3,5,7,11,17,347

3,5,7,11,13,17,29,491

2,3,5,7,11,13,17,19,733

3,5,7,11,13,17,19,23,31,971

2,3,5,7,11,13,17,19,23,31,1321

3,5,7,11,13,17,19,23,29,31,47,1667

CROSSREFS

Cf. A100667, A101326.

Sequence in context: A296479 A354088 A024709 * A004576 A093200 A095795

Adjacent sequences: A101242 A101243 A101244 * A101246 A101247 A101248

KEYWORD

nonn,tabl

AUTHOR

Giovanni Teofilatto, Jan 23 2005

EXTENSIONS

Corrected and extended by Ray Chandler, Jan 25 2005

STATUS

approved