A204088 Row sums of A204087.

1, 2, 4, 8, 12, 32, 24, 100, 132, 188, 148, 1168, 708, 3200, 2344, 1488, 2120, 21456, 16596, 222948, 130572, 38196, 29800, 492248, 299096, 529712, 455424, 1143404, 920536, 20232316, 13769088, 226481600, 252603072, 52242944, 40457056, 28671168, 16885280

Offset

0,2

Comments

If n is prime, then a(n)==2 mod n. Up to n=200, there are only two composite numbers with such a property: a(49)=623017500436==2 mod 49 and a(51)=391496243228==2 mod 51.

Links

Table of n, a(n) for n=0..36.

Crossrefs

Cf. A204087, A186430, A202917, A202941, A203269, A203278.

Sequence in context: A036493 A082906 A364768 * A187941 A085083 A076745

Adjacent sequences: A204085 A204086 A204087 * A204089 A204090 A204091

Keyword

nonn

Author

Vladimir Shevelev and Peter J. C. Moses, Jan 10 2012

Status

approved