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 A276943 Square array A(row,col) read by antidiagonals: A(1,col) = A276155(col), and for row > 1, A(row,col) = A276154(A(row-1,col)); Dispersion of primorial base left shift A276154 (array transposed). 8
 1, 3, 2, 4, 8, 6, 5, 12, 36, 30, 7, 14, 60, 240, 210, 9, 32, 66, 420, 2520, 2310, 10, 38, 216, 450, 4620, 32340, 30030, 11, 42, 246, 2340, 4830, 60060, 540540, 510510, 13, 44, 270, 2550, 30240, 62370, 1021020, 10210200, 9699690, 15, 62, 276, 2730, 32550, 512820, 1051050, 19399380, 232792560, 223092870 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The array A(row,col) is read by descending antidiagonals: A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc. Entries on row n are all multiples of A002110(n-1). LINKS Antti Karttunen, Table of n, a(n) for n = 1..630; the first 35 antidiagonals of array FORMULA A(1,col) = A276155(col); for row > 1, A(row,col) = A276154(A(row-1,col)). EXAMPLE The top left corner of the array:     1,    3,    4,    5,     7,     9,    10,    11,    13,    15,    16     2,    8,   12,   14,    32,    38,    42,    44,    62,    68,    72     6,   36,   60,   66,   216,   246,   270,   276,   426,   456,   480    30,  240,  420,  450,  2340,  2550,  2730,  2760,  4650,  4860,  5040   210, 2520, 4620, 4830, 30240, 32550, 34650, 34860, 60270, 62580, 64680 PROG (Scheme) (define (A276943 n) (A276943bi (A002260 n) (A004736 n))) (define (A276943bi row col) (if (= 1 row) (A276155 col) (A276154 (A276943bi (- row 1) col)))) CROSSREFS Inverse permutation: A276944. Transpose: A276945. Column 1: A002110, Row 1: A276155. Cf. A276154. Cf. also array A276953. Sequence in context: A114650 A170949 A276953 * A303148 A228784 A082328 Adjacent sequences:  A276940 A276941 A276942 * A276944 A276945 A276946 KEYWORD nonn,base,tabl AUTHOR Antti Karttunen, Sep 24 2016 STATUS approved

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Last modified January 17 00:44 EST 2019. Contains 319206 sequences. (Running on oeis4.)