A260026 Convert the last term from decimal to binary! a(1)=6.

6, 110, 1101110, 100001100110100110110, 1010110101111001011010001101011100010111010110010110001101100011110

Offset: 1

Author

N. J. A. Sloane, Jul 14 2015

Keywords

• nonn
• base

Crossrefs

For initial terms 2 through 12 see A008559, A006938, A260025, A260024, A260026, A260027, A260028, A260029, A008559 (again), A006938 (again), A260030 respectively.

Programs

PARI

a(n) = my(k=6); for(i=2, n, k=fromdigits(binary(k))); k; \\ Jinyuan Wang, Jan 18 2025