A236920 Triangle read by rows: (3,1) broadcast domination numbers.

1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 1, 2, 2, 3, 4, 2, 2, 2, 4, 4, 4, 2, 2, 3, 4, 4, 6, 6, 2, 2, 3, 4, 5, 6, 7, 8, 2, 3, 3, 5, 6, 6, 7, 8, 9, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10

Offset

1,8

Links

Table of n, a(n) for n=1..55.

D. Blessing, E. Insko, K. Johnson, C. Mauretour, On (t,r) Broadcast Domination Numbers of Grids, arXiv preprint arXiv:1401.2499, 2014

Example

Triangle begins:
1,
1, 1,
1, 1, 1,
1, 2, 2, 3,
1, 2, 2, 3, 4,
2, 2, 2, 4, 4, 4,
2, 2, 3, 4, 4, 6, 6,
2, 2, 3, 4, 5, 6, 7, 8,
2, 3, 3, 5, 6, 6, 7, 8, 9,
2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
...

Crossrefs

Cf. A236919.

Sequence in context: A341513 A276150 A275729 * A054707 A325518 A282863

Adjacent sequences: A236917 A236918 A236919 * A236921 A236922 A236923

Keyword

nonn,tabl,more

Author

N. J. A. Sloane, Feb 11 2014

Status

approved