Width of the bit-masks A068221 & A068222 (number of digits in A068223 & A068224).

A068739

Width of the bit-masks A068221 & A068222 (number of digits in A068223 & A068224).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =13a(4) =31a(5) =72a(6) =156a(7) =337a(8) =701a(9) =1452a(10) =2964a(11) =6001a(12) =12108a(13) =24324a(14) =48871a(15) =97988a(16) =196224a(17) =392768a(18) =785946a(19) =1572353a(20) =3145554a(21) =6291980

External references