A079787 Sum of terms in n-th row of triangle in A079786.

1, 3, 4, 8, 6, 16, 8, 20, 17, 27, 12, 43, 14, 37, 38, 54, 18, 76, 20, 80, 50, 51, 24, 115, 49, 75, 76, 120, 30, 156, 32, 132, 90, 91, 92, 206, 38, 101, 102, 190, 42, 196, 44, 168, 169, 115, 48, 306, 97, 209, 148, 216, 54, 276, 158, 282, 160, 161, 60, 435, 62, 173, 252, 316

Offset

1,2

Links

Alois P. Heinz, Table of n, a(n) for n = 1..20000

Prog

(PARI) print1(1, ", "); for(i=2, 100, s=0; for(j=2, sigma(i, 0), forstep(k=i, 1, -1, if(sigma(k, 0)==j, s+=k; break))); print1(s+1, ", ")) - Lambert Herrgesell (zero815(AT)googlemail.com), Mar 13 2006

Crossrefs

Cf. A079786.

Sequence in context: A332844 A347228 A330575 * A081307 A344225 A081543

Adjacent sequences: A079784 A079785 A079786 * A079788 A079789 A079790

Keyword

nonn,look

Author

Amarnath Murthy, Feb 03 2003

Extensions

More terms from Lambert Herrgesell (zero815(AT)googlemail.com), Mar 13 2006

Status

approved