|
%I #14 Sep 25 2020 07:13:18
%S 3,7,29,59,239,479,3833,30671,61343,981493,3925973,62815573,502524587,
%T 2010098351,16080786809,1029170355779,4116681423119,65866902769909,
%U 263467611079637,2107740888637103,134895416872774619,17266613359715151259,1105063255021769680613
%N Base-10 representation of A261269.
%H Clark Kimberling, <a href="/A261270/b261270.txt">Table of n, a(n) for n = 1..500</a>
%t b = 2; s = {{1}}; Do[NestWhile[# + 1 &, 0, ! (PrimeQ[FromDigits[tmp = Join[Last[s],(nn = #; IntegerDigits[nn - Sum[b^n, {n, l = NestWhile[# + 1 &, 1, ! (nn - (Sum[b^n, {n, #}]) < 0) &] - 1}], b, l + 1])], b]]) &]; AppendTo[s, tmp], {30}]; Map[FromDigits, s]; Map[FromDigits, s] (* A261200 *)
%t Map[FromDigits[#, b] &, s] (* A261201 *)
%t (* _Peter J. C. Moses_, Aug 06 2015 *)
%Y Cf. A261269.
%K nonn,easy,base
%O 1,1
%A _Clark Kimberling_, Sep 17 2015
|
