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 A174028 Triangle T(n,k) = 2+4k read by rows. 0
 2, 2, 6, 2, 6, 10, 2, 6, 10, 14, 2, 6, 10, 14, 18, 2, 6, 10, 14, 18, 22, 2, 6, 10, 14, 18, 22, 26, 2, 6, 10, 14, 18, 22, 26, 30, 2, 6, 10, 14, 18, 22, 26, 30, 34, 2, 6, 10, 14, 18, 22, 26, 30, 34, 38 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Wikipedia, Electron shell FORMULA T(n,k) = A016825(k). T(n,k) = 2*A158405(n+1,k). EXAMPLE 2; 2, 6; 2, 6, 10; 2, 6, 10, 14; 2, 6, 10, 14, 18; 2, 6, 10, 14, 18, 22; 2, 6, 10, 14, 18, 22, 26; CROSSREFS Cf. A001105 (row sums), A167268. Sequence in context: A160122 A093656 A338616 * A084426 A255049 A187564 Adjacent sequences: A174025 A174026 A174027 * A174029 A174030 A174031 KEYWORD nonn,easy,tabl AUTHOR Paul Curtz, Mar 06 2010 STATUS approved

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Last modified November 27 10:03 EST 2022. Contains 358367 sequences. (Running on oeis4.)