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A079787 Sum of terms in n-th row of triangle in A079786. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..64.

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

AUTHOR

Amarnath Murthy, Feb 03 2003

EXTENSIONS

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

STATUS

approved

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Last modified September 26 14:17 EDT 2021. Contains 347668 sequences. (Running on oeis4.)