A077582 - OEIS

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A077582

Sum of terms of n-th row of A077581.

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

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OFFSET

1,2

COMMENTS

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

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a077582 = sum . a077581_row -- Reinhard Zumkeller, Sep 26 2014

CROSSREFS

Cf. A069213, A077581.

Sequence in context: A361975 A166669 A286701 * A037373 A310928 A018887

Adjacent sequences: A077579 A077580 A077581 * A077583 A077584 A077585

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Nov 14 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 11 2003

STATUS

approved