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A053243
Numbers n such that A053238(n) = 3.
7
154, 200, 259, 340, 375, 466, 554, 569, 673, 688, 779, 869, 884, 912, 989, 1095, 1232, 1276, 1394, 1409, 1493, 1513, 1630, 1645, 1719, 1805, 1819, 1923, 2027, 2042, 2117, 2153, 2162, 2208, 2240, 2345, 2480, 2542, 2662, 2706, 2850, 2871, 2886, 3003, 3078
OFFSET
1,1
MAPLE
with(numtheory): f := [seq( `if`((sigma(i) > sigma(i+1)), i, print( )), i=1..5000)];
seq( `if`(f[i+1] - f[i] = 3, i, print( )), i=1..1000);
KEYWORD
nonn
AUTHOR
Asher Auel, Jan 10 2000
STATUS
approved