A139177 a(n) = (n! - 7)/7.

719, 5759, 51839, 518399, 5702399, 68428799, 889574399, 12454041599, 186810623999, 2988969983999, 50812489727999, 914624815103999, 17377871486975999, 347557429739519999

Offset: 7

Author

Artur Jasinski, Apr 11 2008

Keywords

• nonn
• easy

Comments

Original name: Natural numbers of the form (n!-7)/7.

Links

• Vincenzo Librandi, Table of n, a(n) for n = 7..300

Crossrefs

Cf. A033312, A139172, A139173, A139174, A139175, A139176, A139177, A139183, A139184.

Programs

GAP

List([7..25],n->(Factorial(n)-7)/7); # Muniru A Asiru, Oct 20 2018

Magma

[(Factorial(n)-7)/7: n in [7..25]]; // Vincenzo Librandi, Jul 20 2011

Maple

seq((factorial(n)-7)/7,n=7..25); # Muniru A Asiru, Oct 20 2018

Mathematica

Table[(n! - 7)/7, {n, 7, 20}]

Extensions

New name from Jon E. Schoenfield, Oct 19 2018