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A008467 n OR n^2 (applied to ternary expansions). 2
1, 5, 12, 16, 26, 42, 52, 71, 90, 100, 122, 147, 178, 206, 231, 259, 296, 342, 370, 401, 453, 484, 539, 591, 646, 701, 756, 784, 842, 930, 961, 1025, 1095, 1186, 1259, 1332, 1369, 1445, 1524, 1609, 1691, 1770, 1852, 1943, 2070, 2152, 2237, 2316, 2401, 2510 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

b=3; d=9; Mb=Array[ b^(d-#)&, d ]; Map[ Plus@@(Mb*#)&, Array[ Max /@ Transpose[ {IntegerDigits[ #, b, d ], IntegerDigits[ #^2, b, d ]} ]&, 140 ] ]

CROSSREFS

A007745, A008468, A008469.

Sequence in context: A111523 A078231 A178469 * A076718 A076671 A089988

Adjacent sequences:  A008464 A008465 A008466 * A008468 A008469 A008470

KEYWORD

base,nonn,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 16 14:07 EST 2012. Contains 205930 sequences.