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A105157 Row sums of the triangle A105160. 1
6, 10, 70, 85, 364, 451, 1102, 1309, 2900, 2967, 5920, 6107, 10234, 11521, 17384, 17907, 26840, 29559, 40328, 42813, 56248, 57743, 77786, 79929, 107060, 112617, 135248, 141213, 167240, 173637, 225320, 235077, 276332, 291399, 343676, 361623 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
PROG
(PARI) a(n) = sum(k=1, n, if (n % 2, prime(n+1), prime(n-1))*prime(k)); \\ Michel Marcus, Dec 28 2018
CROSSREFS
Cf. A105160.
Sequence in context: A230827 A111484 A119041 * A166386 A280881 A256246
KEYWORD
nonn,less
AUTHOR
Roger L. Bagula, Apr 10 2005
STATUS
approved

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Last modified April 18 15:05 EDT 2024. Contains 371780 sequences. (Running on oeis4.)