0,2

A091269(a(n)) = n and A091269(m) < n for m<a(n);

a(n) = 2^(n+1) - 3 for n>2, cf. A036563.

Index entries for sequences related to binary expansion of n

Eric Weisstein's World of Mathematics, Binary

Cf. A007088.

Sequence in context: A011756 A050950 A079991 this_sequence A045703 A122025 A057873

Adjacent sequences: A091267 A091268 A091269 this_sequence A091271 A091272 A091273

nonn,base

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 27 2003