

A180651


Irregular triangle in which row n consists of the larger of pairs of amicable numbers of the form 2^n pq, with p and q odd primes.


3



2924, 5564, 10856, 66992, 176336, 180848, 455344, 514736, 1464592, 2947216, 2090656, 15334304, 18017056, 7684672, 56598208, 1252205632, 1762592896, 16929489536, 750555392, 903709952, 4390866176, 74279606528, 244428598016
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OFFSET

2,1


COMMENTS

The length of row n is A180335(n). The first number in row n is A180331(n).


LINKS



CROSSREFS



KEYWORD

hard,tabf,nonn


AUTHOR



STATUS

approved



