A257943 - OEIS

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A257943

Array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = (1 + 3^(n-1)*(2*k - 1))/2, n,k >= 1.

1, 2, 2, 5, 5, 3, 14, 14, 8, 4, 41, 41, 23, 11, 5, 122, 122, 68, 32, 14, 6, 365, 365, 203, 95, 41, 17, 7, 1094, 1094, 608, 284, 122, 50, 20, 8, 3281, 3281, 1823, 851, 365, 149, 59, 23, 9, 9842, 9842, 5468, 2552, 1094, 446, 176, 68, 26, 10

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

EXAMPLE

Array A begins:

. 1 2 3 4 5 6 7 8 9 10

. 2 5 8 11 14 17 20 23 26 29

. 5 14 23 32 41 50 59 68 77 86

. 14 41 68 95 122 149 176 203 230 257

. 41 122 203 284 365 446 527 608 689 770