A062827 Variation of Stechkin's function, A055004.

0, 4, 15, 45, 116, 259, 505, 853, 1378, 2256, 3249, 4855, 6730, 8738, 11348, 15012, 19533, 23693, 29693, 35876, 41890, 50691, 59467, 70667, 84999, 97916, 110050, 124679, 138413, 155289, 187442, 209595, 236182, 258438, 296293, 322458, 358076, 396409, 432326

Offset

1,2

Links

Table of n, a(n) for n=1..39.

Prog

(PARI) for(n=1, 22, print(sum(m=1, n, (prime(m-1)*floor(prime(n)*(prime(m-1)/ prime(m)))))))

Crossrefs

Cf. A055004.

Sequence in context: A259664 A321880 A075673 * A074448 A297088 A152116

Adjacent sequences: A062824 A062825 A062826 * A062828 A062829 A062830

Keyword

easy,nonn

Author

Jason Earls, Jul 20 2001

Extensions

More terms from Sean A. Irvine, Apr 09 2023

Status

approved