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#47 by N. J. A. Sloane at Mon Jun 20 13:16:06 EDT 2022
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#46 by Michel Marcus at Mon Jun 20 11:37:23 EDT 2022
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#45 by Michel Marcus at Mon Jun 20 11:36:56 EDT 2022
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(Python)
def A101624(n): return sum(int(not k & ~(n-k))*2**k for k in range(n//2+1)) # Chai Wah Wu, Jun 20 2022
(Python)
def A101624(n): return sum(int(not k & ~(n-k))*2**k for k in range(n//2+1)) # Chai Wah Wu, Jun 20 2022
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| STATUS
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proposed
editing
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Discussion
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Mon Jun 20
| 11:37
| Michel Marcus: python with python
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#44 by Chai Wah Wu at Mon Jun 20 11:34:33 EDT 2022
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#43 by Chai Wah Wu at Mon Jun 20 11:34:26 EDT 2022
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def A101624(n): return sum(int(not( k & ~(n-k)))*))*2**k for k in range(n//2+1)) # Chai Wah Wu, Jun 20 2022
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| STATUS
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proposed
editing
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#42 by Chai Wah Wu at Mon Jun 20 11:28:52 EDT 2022
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#41 by Chai Wah Wu at Mon Jun 20 11:28:17 EDT 2022
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(Python)
def A101624(n): return sum(int(not(k & ~(n-k)))*2**k for k in range(n//2+1)) # Chai Wah Wu, Jun 20 2022
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| STATUS
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approved
editing
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#40 by Peter Luschny at Thu Mar 25 10:22:17 EDT 2021
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#39 by Michel Marcus at Thu Mar 25 09:10:08 EDT 2021
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#38 by Michel Marcus at Thu Mar 25 09:09:50 EDT 2021
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| LINKS
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K. Dilcher, and L. Ericksen, <a href="http://dml.cz/handle/10338.dmlcz/143908">Reducibility and irreducibility of Stern (0, 1)-polynomials</a>, Communications in Mathematics, Volume 22/2014 , pp. 77-102.
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| PROG
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## _# _Alex Ratushnyak_, Apr 14 2012
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| STATUS
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proposed
editing
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