Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A077582
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A077582 Sum of terms of n-th row of A077581. +0
4
1, 4, 7, 16, 16, 54, 29, 64, 61, 124, 67, 216, 92, 228, 211, 256, 154, 486, 191, 500, 385, 532, 277, 864, 391, 732, 547, 914, 436, 1688, 497, 1024, 895, 1228, 890, 1944, 704, 1524, 1232, 2000, 862, 3090, 947, 2128, 1897, 2212, 1129, 3456, 1401, 3124, 2068 (list; graph; listen)
OFFSET

1,2

COMMENT

a(p) = p(p-1)/2 + p+1 = (p^2 + p + 2)/2, if p is a prime. a(2^n) = 2^(2n).

CROSSREFS

Cf. A069213, A077581.

Sequence in context: A145795 A065935 A166669 this_sequence A037373 A018887 A059014

Adjacent sequences: A077579 A077580 A077581 this_sequence A077583 A077584 A077585

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 14 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 11 2003

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


AT&T Labs Research