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A170804 Partial sums of (A006899, prefixed by a 1). 2
1, 2, 4, 7, 11, 19, 28, 44, 71, 103, 167, 248, 376, 619, 875, 1387, 2116, 3140, 5188, 7375, 11471, 18032, 26224, 42608, 62291, 95059, 154108, 219644, 350716, 527863, 790007, 1314295, 1845736, 2894312, 4488635, 6585787, 10780091, 15563060, 23951668, 38300575 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(n) is the minimum number of three-in-a-rows passing through any cell in n-dimensional tic-tac-toe = the minimum value in the n-th row of A352419. - Ben Orlin, Mar 22 2022
LINKS
CROSSREFS
Equals A170803 + 1.
Minimum value in the n-th row of A352419.
Sequence in context: A308996 A326471 A326596 * A024622 A034337 A083024
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 12 2009
STATUS
approved

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Last modified February 21 07:26 EST 2024. Contains 370219 sequences. (Running on oeis4.)