A257254 Transpose of square array A257253.

1, 3, 1, 10, 3, 1, 21, 5, 3, 1, 55, 14, 10, 3, 1, 78, 11, 7, 5, 3, 1, 136, 26, 22, 14, 10, 3, 1, 171, 17, 13, 11, 7, 5, 3, 1, 253, 38, 34, 26, 22, 14, 10, 3, 1, 406, 69, 57, 51, 39, 33, 21, 5, 3, 1, 465, 29, 23, 19, 17, 13, 11, 7, 10, 3, 1, 666, 93, 87, 69, 57, 51, 39, 33, 21, 5, 3, 1

Offset

1,2

Comments

See A257253.

Links

Antti Karttunen, Table of n, a(n) for n = 1..3321; the first 81 antidiagonals of the array

Example

The top left corner of the array:
  1, 3, 10, 21, 55, 78, 136, 171, 253, 406, 465, 666, 820, 903
  1, 3,  5, 14, 11, 26,  17,  38,  69,  29,  93,  74,  41,  86
  1, 3, 10,  7, 22, 13,  34,  57,  23,  87,  62,  37,  82, 129
  1, 3,  5, 14, 11, 26,  51,  19,  69,  58,  31,  74, 123, 129
  1, 3, 10,  7, 22, 39,  17,  57,  46,  29,  62, 111, 123,  43
  1, 3,  5, 14, 33, 13,  51,  38,  23,  58,  93, 111,  41, 129
  1, 3, 10, 21, 11, 39,  34,  19,  46,  87,  93,  37, 123,  86
  1, 3,  5,  7, 33, 26,  17,  38,  69,  87,  31, 111,  82,  43
  1, 3, 10, 21, 22, 13,  34,  57,  69,  29,  93,  74,  41, 129
  1, 3,  5, 14, 11, 26,  51,  57,  23,  87,  62,  37, 123,  86
  1, 3, 10,  7, 22, 39,  51,  19,  69,  58,  31, 111,  82, 129
  1, 3,  5, 14, 33, 39,  17,  57,  46,  29,  93,  74, 123, 172
  1, 3, 10,  7, 33, 13,  51,  38,  23,  87,  62, 111, 164,  86
  1, 3,  5, 14, 11, 39,  34,  19,  69,  58,  93, 148,  82,  43
  1, 3, 10, 21, 33, 26,  17,  57,  46,  87, 124,  74,  41,  86
  1, 3,  5,  7, 22, 13,  51,  38,  69, 116,  62,  37,  82,  43
  ...

Prog

(Scheme) (define (A257254 n) (A257253bi (A004736 n) (A002260 n))) ;; Code for A257253bi given in A257253.

Crossrefs

Transpose: A257253.

Row 1: A008837.

Cf. A083140, A083221, A257252 (same array but with terms multiplied by 2).

Sequence in context: A008299 A016478 A135573 * A126953 A134284 A134285

Adjacent sequences: A257251 A257252 A257253 * A257255 A257256 A257257

Keyword

nonn,tabl

Author

Antti Karttunen, Apr 29 2015

Status

approved