Geometric mean of the digits = 2. In other words, the product of the digits is = 2^k where k is the number of digits.
A061426
Geometric mean of the digits = 2. In other words, the product of the digits is = 2^k where k is the number of digits.
Terms
- a(0) =2a(1) =14a(2) =22a(3) =41a(4) =118a(5) =124a(6) =142a(7) =181a(8) =214a(9) =222a(10) =241a(11) =412a(12) =421a(13) =811a(14) =1128a(15) =1144a(16) =1182a(17) =1218a(18) =1224a(19) =1242a(20) =1281a(21) =1414a(22) =1422a(23) =1441a(24) =1812a(25) =1821a(26) =2118a(27) =2124a(28) =2142a(29) =2181
External references
- oeis: A061426