A249359 T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having six times some element equal to the sum of the remaining six

2, 395, 2, 2048, 395, 2, 9413, 2048, 395, 2, 30848, 9413, 2048, 395, 2, 84259, 30848, 9413, 2048, 395, 2, 198570, 84259, 30848, 9413, 2048, 395, 2, 421913, 224854, 84259, 30848, 9413, 2048, 395, 2, 823336, 511881, 254768, 84259, 30848, 9413, 2048, 395, 2

Offset

1,1

Comments

Table starts

.2.395.2048.9413.30848.84259.198570..421913..823336..1504241..2601366...4297747

.2.395.2048.9413.30848.84259.224854..511881.1045208..1979817..3531286...5982995

.2.395.2048.9413.30848.84259.254768..623429.1339180..2651723..4918176...8613241

.2.395.2048.9413.30848.84259.288756..760565.1723104..3583383..6946040..12653065

.2.395.2048.9413.30848.84259.327280..927933.2218330..4856401..9870394..18799941

.2.395.2048.9413.30848.84259.370824.1130821.2849918..6572361.14033182..28074221

.2.395.2048.9413.30848.84259.419898.1375169.3646850..8854631.19878684..41941971

.2.395.2048.9413.30848.84259.475042.1667577.4642242.11850171.27970416..62470659

.2.395.2048.9413.30848.84259.575790.2179913.6344066.16925927.41635378..96956569

.2.395.2048.9413.30848.84259.697048.2845509.8661090.24212713.62278810.151715921

Links

R. H. Hardin, Table of n, a(n) for n = 1..478

Formula

Empirical for row n:

n=1: [linear recurrence of order 18; also a polynomial of degree 6 plus a quasipolynomial of degree 0 with period 60]

Example

Some solutions for n=6 k=4
..1....2....0....1....2....0....2....0....0....3....4....2....0....0....2....0
..2....4....0....0....3....2....2....1....3....2....1....4....3....0....1....0
..3....3....4....3....1....0....3....1....3....3....0....4....3....4....0....1
..0....2....1....0....0....1....1....3....1....2....1....0....4....1....4....2
..1....3....2....1....3....2....3....2....4....0....3....2....2....3....2....1
..4....4....4....2....1....1....2....3....2....4....3....0....0....4....1....0
..3....3....3....0....4....1....1....4....1....0....2....2....2....2....4....3
..1....2....0....1....2....0....2....0....0....3....4....2....0....0....2....0
..2....4....0....0....3....2....2....1....3....2....1....4....3....0....1....0
..3....3....4....3....1....0....3....1....3....3....0....4....3....4....0....1
..0....2....1....0....0....1....1....3....1....2....1....0....4....1....4....2
..1....3....2....1....3....2....3....2....4....0....3....2....2....3....2....1

Crossrefs

Sequence in context: A321230 A281322 A360702 * A249255 A249171 A249360

Adjacent sequences: A249356 A249357 A249358 * A249360 A249361 A249362

Keyword

nonn,tabl

Author

R. H. Hardin, Oct 26 2014

Status

approved