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A267348 Decimal equivalents of terms of A266926 interpreted as binary numbers. 1

%I

%S 0,1,2,6,54,3510,14380470,241264265751990,

%T 67909853583655146508751957430,

%U 5380372916045726369002105219892285499516304666683458153910,33773148168338125039096320085837383261496919374684668572527108632210618661283323381212228218472784834977109705977270

%N Decimal equivalents of terms of A266926 interpreted as binary numbers.

%C For n>1, a(n+1)/a(n) is an integer. Therefore, after 2, a(n) is divisible by 6.

%C The term a(12) has 925 decimal digits; a(13) has 1850 decimal digits. - _Michael De Vlieger_, Jan 13 2016

%t a = {0, 1}; Do[AppendTo[a, FromDigits@ Flatten@ Map[IntegerDigits@ # &, If[n < 2, Reverse@ a, a]]], {n, 9}]; FromDigits[IntegerDigits@ #, 2] & /@ a (* _Michael De Vlieger_, Jan 13 2016 *)

%Y Cf. A266926.

%K nonn,easy

%O 1,3

%A _Giovanni Teofilatto_, Jan 13 2016

%E More terms from _Michael De Vlieger_, Jan 13 2016

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Last modified May 13 23:41 EDT 2021. Contains 343868 sequences. (Running on oeis4.)