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A127439
Triangle read by rows, in which row n consists of first n terms of A054541.
0
2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 4, 2, 1, 2, 2, 4, 2, 2, 1, 2, 2, 4, 2, 4, 2, 1, 2, 2, 4, 2, 4, 2, 2, 1, 2, 2, 4, 2, 4, 2, 4, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 4
OFFSET
1,1
COMMENTS
Rows tend to A054541: (2, 1, 2, 2, 4, 2, 4, ...)
EXAMPLE
prime(5) = 2 + 1 + 2 + 2 + 4 = 11.
From Omar E. Pol, Dec 23 2021: (Start)
Triangle begins:
2;
2, 1;
2, 1, 2;
2, 1, 2, 2;
2, 1, 2, 2, 4;
2, 1, 2, 2, 4, 2;
2, 1, 2, 2, 4, 2, 4;
2, 1, 2, 2, 4, 2, 4, 2;
2, 1, 2, 2, 4, 2, 4, 2, 4;
2, 1, 2, 2, 4, 2, 4, 2, 4, 6;
2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2;
2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6;
2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 4;
... (End)
CROSSREFS
Row sums give A000040.
Sequence in context: A082389 A246127 A119469 * A218775 A370558 A191971
KEYWORD
nonn,tabl,easy
AUTHOR
Gary W. Adamson, Jan 14 2007
EXTENSIONS
Edited by N. J. A. Sloane, Jan 27 2007
More terms from Omar E. Pol, Feb 21 2014
STATUS
approved