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 A209427 T(n,k) = binomial(n,k)^n. 4
 1, 1, 1, 1, 4, 1, 1, 27, 27, 1, 1, 256, 1296, 256, 1, 1, 3125, 100000, 100000, 3125, 1, 1, 46656, 11390625, 64000000, 11390625, 46656, 1, 1, 823543, 1801088541, 64339296875, 64339296875, 1801088541, 823543, 1, 1, 16777216, 377801998336, 96717311574016, 576480100000000, 96717311574016, 377801998336, 16777216, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 COMMENTS Row sums equals A167010. Column 1 forms A000312. Antidiagonal sums form A209428. LINKS Paul D. Hanna, Rows n = 0..30, flattened. EXAMPLE This triangle begins: 1; 1, 1; 1, 4, 1; 1, 27, 27, 1; 1, 256, 1296, 256, 1; 1, 3125, 100000, 100000, 3125, 1; 1, 46656, 11390625, 64000000, 11390625, 46656, 1; 1, 823543, 1801088541, 64339296875, 64339296875, 1801088541, 823543, 1; 1, 16777216, 377801998336, 96717311574016, 576480100000000, 96717311574016, 377801998336, 16777216, 1; ... MATHEMATICA Table[Binomial[n, k]^n, {n, 0, 10}, {k, 0, n}]// Flatten (* G. C. Greubel, Jan 03 2018 *) PROG (PARI) {T(n, k)=binomial(n, k)^n} for(n=0, 10, for(k=0, n, print1(T(n, k), ", ")); print("")) CROSSREFS Cf. A167010 (row sums), A000312 (column 1), A209428. Sequence in context: A357744 A088158 A136449 * A140805 A113370 A078536 Adjacent sequences: A209424 A209425 A209426 * A209428 A209429 A209430 KEYWORD nonn,tabl AUTHOR Paul D. Hanna, Mar 08 2012 STATUS approved

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Last modified July 19 10:08 EDT 2024. Contains 374392 sequences. (Running on oeis4.)