The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A270854 Number of 5 X 5 X 5 triangular 0..n arrays with some element plus some adjacent element totaling n+1, n or n-1 exactly once. 1
 0, 0, 2298, 307494, 15754872, 469037376, 8746813158, 121991495904, 1213829981232, 9734824653450, 61574400558324, 331178241244350, 1508910046819356, 6093153192888900, 21845378487998154, 71477509051004274 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Row 5 of A270850. LINKS R. H. Hardin, Table of n, a(n) for n = 1..25 EXAMPLE Some solutions for n=3 ......2..........2..........0..........3..........1..........3..........0 .....2.3........2.3........1.1........2.3........0.0........3.2........0.0 ....3.3.2......3.3.3......0.0.0......3.2.3......0.0.0......3.2.3......0.0.0 ...3.3.3.3....3.2.3.3....0.0.0.1....3.3.3.3....0.0.0.1....2.3.3.3....0.1.0.1 ..3.2.3.3.3..3.3.3.3.3..1.0.0.0.0..3.2.3.3.2..0.1.0.0.1..3.3.2.3.3..0.1.0.0.0 CROSSREFS Cf. A270850. Sequence in context: A123911 A126173 A083572 * A260292 A359321 A339349 Adjacent sequences: A270851 A270852 A270853 * A270855 A270856 A270857 KEYWORD nonn AUTHOR R. H. Hardin, Mar 24 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 22 16:01 EST 2024. Contains 370256 sequences. (Running on oeis4.)