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 A182945 Array of prime powers p^j, as transpose of A182944. 5
 2, 3, 4, 5, 9, 8, 7, 25, 27, 16, 11, 49, 125, 81, 32, 13, 121, 343, 625, 243, 64, 17, 169, 1331, 2401, 3125, 729, 128, 19, 289, 2197, 14641, 16807, 15625, 2187, 256, 23, 361, 4913, 28561, 161051, 117649, 78125, 6561, 512, 29, 529, 6859, 83521, 371293, 1771561, 823543, 390625, 19683, 1024 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The monotonic ordering of this sequence, with 1 prefixed, is A000961. The joint-rank array of this sequence is A182869. LINKS Robert Israel, Table of n, a(n) for n = 1..10000 EXAMPLE Northwest corner: 2 3 5 7 4 9 25 49 8 27 125 343 16 81 625 2401 MAPLE seq(seq(ithprime(n-i)^i, i=1..n-1), n=2..20); # Robert Israel, Jul 27 2015 MATHEMATICA width=9; Table[Table[Prime[n]^j, {n, 1, width}, {j, 1, width}]]; Flatten[Table[Table[%[[z-k+1]][[k]], {k, 1, z}], {z, 1, width}]] PROG (Magma) [NthPrime(n-i)^i: i in [1..n-1], n in [2..15]]; // Vincenzo Librandi, Jul 28 2015 CROSSREFS Cf. A000961, A182944, A000040 (row 1), A001248 (row 2), A030078 (row 3). Antidiagonal products give A006939. Cf. A319075 (extends the array with 0th powers). Sequence in context: A284311 A357581 A174225 * A360069 A052270 A265335 Adjacent sequences: A182942 A182943 A182944 * A182946 A182947 A182948 KEYWORD nonn,tabl AUTHOR Clark Kimberling, Dec 14 2010 STATUS approved

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Last modified May 29 07:06 EDT 2024. Contains 372926 sequences. (Running on oeis4.)