1,1

Subset of A124359

Table of n, a(n) for n=1..33.

31^7=27512614111 and 2+7+5+1+2+6+1+4+1+1+1=31. This is possible only with 7 as exponent.

97^10=73742412689492826049 and 7+3+7+4+2+4+1+2+6+8+9+4+9+2+8+2+6+4+9=97. This is possible only with 10 as exponent.

Cf. A124359, A124360, A124361, A124362, A046019, A124364.

Sequence in context: A228730 A062932 A166098 * A115896 A116018 A297181

Adjacent sequences: A124362 A124363 A124364 * A124366 A124367 A124368

nonn,base

Paolo P. Lava and Giorgio Balzarotti, Oct 30 2006

approved