A255129 Transposed Ludic array.

2, 3, 4, 5, 9, 6, 7, 19, 15, 8, 11, 31, 35, 21, 10, 13, 55, 59, 49, 27, 12, 17, 73, 103, 85, 65, 33, 14, 23, 101, 133, 151, 113, 79, 39, 16, 25, 145, 187, 197, 203, 137, 95, 45, 18, 29, 167, 271, 281, 263, 251, 163, 109, 51, 20, 37, 205, 311, 403, 367, 325, 299, 191, 125, 57, 22, 41, 253, 371, 457, 523, 461, 385, 343, 217, 139, 63, 24

Offset

2,1

Comments

See the comments in A255127.

Links

Antti Karttunen, Table of n, a(n) for n = 2..10441; the first 144 antidiagonals of array, flattened

Prog

(Scheme)
(define (A255129 n) (if (<= n 1) n (A255129bi (A002260 (- n 1)) (A004736 (- n 1)))))
(define (A255129bi row col) ((rowfun_n_for_A255127 col) row))  ; Other code as in A255127.

Crossrefs

Transpose: A255127.

Inverse: A255130. (When considered as a permutation of natural numbers with a(1) = 1).

Row 1: A003309 (without the initial 1).

Column 1: A005843 (even numbers).

Main diagonal: A255410.

Sequence in context: A101544 A171100 A240062 * A119586 A095904 A096153

Adjacent sequences: A255126 A255127 A255128 * A255130 A255131 A255132

Keyword

nonn,tabl

Author

Antti Karttunen, Feb 22 2015

Status

approved