The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A273245 Non-palindromic binary numbers whose reversal is a palindrome. 4
 10, 100, 110, 1000, 1010, 1100, 1110, 10000, 10010, 10100, 11000, 11100, 11110, 100000, 100010, 100100, 101000, 101010, 110000, 110110, 111000, 111100, 111110, 1000000, 1000010, 1000100, 1001000, 1010000, 1010100, 1011010, 1100000, 1100110, 1101100, 1110000, 1111000, 1111100 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Chai Wah Wu, Table of n, a(n) for n = 1..10000 FORMULA Consists of binary palindromes (A006995) times nontrivial powers of 2, that is, 2^i, i>0. - N. J. A. Sloane, May 19 2016 a(n) = A007088(A272670(n)). - R. J. Mathar, May 20 2016 MAPLE # see A272670 for the other subroutines for n from 1 to 400 do     if isA272670(n) then         printf("%d, ", A007088(n)) ;     end if; end do: # R. J. Mathar, May 20 2016 PROG (Python) A273245_list = [int(m) for m in (bin(n)[2:] for n in range(1, 10**4)) if m != m[::-1] and m.rstrip('0') == m[::-1].lstrip('0')] # Chai Wah Wu, May 21 2016 CROSSREFS Cf. A006995, A273329, A272670 (this sequence written in base 10), A057890 (and divided by 2). Sequence in context: A327786 A154810 A099820 * A276349 A167502 A135652 Adjacent sequences:  A273242 A273243 A273244 * A273246 A273247 A273248 KEYWORD nonn,easy,base AUTHOR Giovanni Teofilatto, May 18 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 6 18:59 EDT 2020. Contains 334832 sequences. (Running on oeis4.)