A077582 Sum of terms of n-th row of A077581.

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

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