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 A254107 Transposed dispersion of A055938. 9
 1, 3, 2, 4, 6, 5, 7, 9, 13, 12, 8, 14, 20, 28, 27, 10, 17, 29, 43, 59, 58, 11, 21, 36, 60, 90, 122, 121, 15, 24, 44, 75, 123, 185, 249, 248, 16, 30, 51, 91, 154, 250, 376, 504, 503, 18, 33, 61, 106, 186, 313, 505, 759, 1015, 1014, 19, 37, 68, 124, 217, 377, 632, 1016, 1526, 2038, 2037, 22, 40, 76, 139, 251, 440, 760, 1271, 2039, 3061, 4085, 4084 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This is dispersion array A254105 transposed. Please see there for a description. LINKS Antti Karttunen, Table of n, a(n) for n = 1..120; the first 15 antidiagonals of array FORMULA If row = 1, then A(row,col) = A005187(col), otherwise A(row,col) = A055938(A(row-1,col)). EXAMPLE The top left corner of the array: 1, 3, 4, 7, 8, 10, 11, 15, 16, 18, 19, 22 2, 6, 9, 14, 17, 21, 24, 30, 33, 37, 40, 45 5, 13, 20, 29, 36, 44, 51, 61, 68, 76, 83, 92 12, 28, 43, 60, 75, 91, 106, 124, 139, 155, 170, 187 27, 59, 90, 123, 154, 186, 217, 251, 282, 314, 345, 378 58, 122, 185, 250, 313, 377, 440, 506, 569, 633, 696, 761 121, 249, 376, 505, 632, 760, 887, 1017, 1144, 1272, 1399, 1528 248, 504, 759, 1016, 1271, 1527, 1782, 2040, 2295, 2551, 2806, 3063 503, 1015, 1526, 2039, 2550, 3062, 3573, 4087, 4598, 5110, 5621, 6134 1014, 2038, 3061, 4086, 5109, 6133, 7156, 8182, 9205, 10229, 11252, 12277 etc. PROG (Scheme) (define (A254107 n) (A254105bi (A004736 n) (A002260 n))) (define (A254105bi row col) (if (= 1 col) (A005187 row) (A055938 (A254105bi row (- col 1))))) CROSSREFS Inverse: A254108. Transpose: A254105. Row 1: A005187. Column 1: A000325. Row index: A254111, Column index of n: A254112. Cf. A002260, A004736, A005187, A055938. Sequence in context: A080782 A116941 A166695 * A116942 A254108 A093573 Adjacent sequences: A254104 A254105 A254106 * A254108 A254109 A254110 KEYWORD nonn,tabl AUTHOR Antti Karttunen, Jan 26 2015 STATUS approved

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Last modified January 30 12:16 EST 2023. Contains 359943 sequences. (Running on oeis4.)