The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A186424 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A186424

Odd terms in A186423.
(history; published version)

#45 by Michael De Vlieger at Tue Jan 31 15:11:39 EST 2023

STATUS

reviewed

approved

#44 by Michel Marcus at Tue Jan 31 14:53:57 EST 2023

STATUS

proposed

reviewed

#43 by Chai Wah Wu at Tue Jan 31 14:02:30 EST 2023

STATUS

editing

proposed

#42 by Chai Wah Wu at Tue Jan 31 14:02:27 EST 2023

PROG

def A186424(n): return (n*(63*n + 4) + 2 ) + 1 if n&1 else n*(63*n + 8) + 4)>> + 2 )>>1 # Chai Wah Wu, Jan 31 2023

STATUS

proposed

editing

#41 by Chai Wah Wu at Tue Jan 31 13:53:48 EST 2023

STATUS

editing

proposed

#40 by Chai Wah Wu at Tue Jan 31 13:53:43 EST 2023

PROG

(Python)

def A186424(n): return (n*(6*n + 4) + 2 if n&1 else n*(6*n + 8) + 4)>>2 # Chai Wah Wu, Jan 31 2023

STATUS

approved

editing

#39 by N. J. A. Sloane at Sun May 09 09:55:36 EDT 2021

STATUS

proposed

approved

#38 by Michel Marcus at Sat May 08 16:37:06 EDT 2021

STATUS

editing

proposed

#37 by Michel Marcus at Sat May 08 16:37:02 EDT 2021

CROSSREFS

Cf. A186421, A186423, A203568, A091999, A080859, A126587, A053253.

#36 by Michel Marcus at Sat May 08 16:36:21 EDT 2021

CROSSREFS

Cf. A186421, A186423, A203568, A091999, A080859, A126587.

STATUS

proposed

editing