A055473 Powers of ten written in base 2.

1, 1010, 1100100, 1111101000, 10011100010000, 11000011010100000, 11110100001001000000, 100110001001011010000000, 101111101011110000100000000, 111011100110101100101000000000, 1001010100000010111110010000000000, 1011101001000011101101110100000000000

Offset

0,2

Links

Seiichi Manyama, Table of n, a(n) for n = 0..301

Formula

a(n) = A007088(A011557(n)). - Seiichi Manyama, Apr 27 2022

Mathematica

FromDigits /@ IntegerDigits[10^Range[0, 9], 2] (* Jayanta Basu, Jul 12 2013 *)

Prog

(PARI) a(n)=subst(Pol(binary(10^n)), x, 10)
(PARI) a(n) = fromdigits(binary(10^n)); \\ Michel Marcus, Apr 27 2022
(Python)
def a(n): return int(bin(10**n)[2:])
print([a(n) for n in range(12)]) # Michael S. Branicky, Apr 27 2022

Crossrefs

Cf. A007088, A011557, A291962.

Cf. A000468, A055474, A055475, A055476, A055477, A055478, A055479.

Sequence in context: A173521 A266442 A266673 * A317526 A235775 A262865

Adjacent sequences: A055470 A055471 A055472 * A055474 A055475 A055476

Keyword

base,easy,nonn

Author

Henry Bottomley, Jun 27 2000

Status

approved